Home / 30,004.24-41,382.84-18,055.12

Finding the Fourth Proportional to 30,004.24, 41,382.84 and 18,055.12

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Solution

The fourth proportional to 30,004.24, 41,382.84 and 18,055.12 is: 24,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,004.24 : 41,382.84 = 18,055.12 : x
  2. Step 2: Convert to fraction form
    30,004.24/41,382.84 = 18,055.12/x
  3. Step 3: Cross multiply
    30,004.24x = 41,382.84 × 18,055.12
  4. Step 4: Simplify right side
    30,004.24x = 747,172,142.14
  5. Step 5: Solve for x
    x = 747,172,142.14/30,004.24
  6. Step 6: Final answer
    x = 24,902.22

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Half scale
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Double scale
Find fourth proportional to 30,005.24, 41,384.22 and 18,056.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.