Home / 42,650.45-63,948.29-17,707.71

Finding the Fourth Proportional to 42,650.45, 63,948.29 and 17,707.71

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Solution

The fourth proportional to 42,650.45, 63,948.29 and 17,707.71 is: 26,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,650.45 : 63,948.29 = 17,707.71 : x
  2. Step 2: Convert to fraction form
    42,650.45/63,948.29 = 17,707.71/x
  3. Step 3: Cross multiply
    42,650.45x = 63,948.29 × 17,707.71
  4. Step 4: Simplify right side
    42,650.45x = 1,132,377,774.32
  5. Step 5: Solve for x
    x = 1,132,377,774.32/42,650.45
  6. Step 6: Final answer
    x = 26,550.20

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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.