Home / 30,000.24-41,377.32-18,051.12

Finding the Fourth Proportional to 30,000.24, 41,377.32 and 18,051.12

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Solution

The fourth proportional to 30,000.24, 41,377.32 and 18,051.12 is: 24,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.24 : 41,377.32 = 18,051.12 : x
  2. Step 2: Convert to fraction form
    30,000.24/41,377.32 = 18,051.12/x
  3. Step 3: Cross multiply
    30,000.24x = 41,377.32 × 18,051.12
  4. Step 4: Simplify right side
    30,000.24x = 746,906,968.60
  5. Step 5: Solve for x
    x = 746,906,968.60/30,000.24
  6. Step 6: Final answer
    x = 24,896.70

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Double scale
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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.