Home / 42,513.26-63,742.54-20,326.14

Finding the Fourth Proportional to 42,513.26, 63,742.54 and 20,326.14

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Solution

The fourth proportional to 42,513.26, 63,742.54 and 20,326.14 is: 30,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,513.26 : 63,742.54 = 20,326.14 : x
  2. Step 2: Convert to fraction form
    42,513.26/63,742.54 = 20,326.14/x
  3. Step 3: Cross multiply
    42,513.26x = 63,742.54 × 20,326.14
  4. Step 4: Simplify right side
    42,513.26x = 1,295,639,792.00
  5. Step 5: Solve for x
    x = 1,295,639,792.00/42,513.26
  6. Step 6: Final answer
    x = 30,476.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.