Home / 42,264.90-63,397.98-20,080.56

Finding the Fourth Proportional to 42,264.90, 63,397.98 and 20,080.56

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Solution

The fourth proportional to 42,264.90, 63,397.98 and 20,080.56 is: 30,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,264.90 : 63,397.98 = 20,080.56 : x
  2. Step 2: Convert to fraction form
    42,264.90/63,397.98 = 20,080.56/x
  3. Step 3: Cross multiply
    42,264.90x = 63,397.98 × 20,080.56
  4. Step 4: Simplify right side
    42,264.90x = 1,273,066,941.27
  5. Step 5: Solve for x
    x = 1,273,066,941.27/42,264.90
  6. Step 6: Final answer
    x = 30,121.14

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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.