Home / 30,146.04-41,602.77-18,207.05

Finding the Fourth Proportional to 30,146.04, 41,602.77 and 18,207.05

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Solution

The fourth proportional to 30,146.04, 41,602.77 and 18,207.05 is: 25,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.04 : 41,602.77 = 18,207.05 : x
  2. Step 2: Convert to fraction form
    30,146.04/41,602.77 = 18,207.05/x
  3. Step 3: Cross multiply
    30,146.04x = 41,602.77 × 18,207.05
  4. Step 4: Simplify right side
    30,146.04x = 757,463,505.51
  5. Step 5: Solve for x
    x = 757,463,505.51/30,146.04
  6. Step 6: Final answer
    x = 25,126.47

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Half scale
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Double scale
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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.