Home / 40,792.87-61,140.10-21,060.66

Finding the Fourth Proportional to 40,792.87, 61,140.10 and 21,060.66

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Solution

The fourth proportional to 40,792.87, 61,140.10 and 21,060.66 is: 31,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,792.87 : 61,140.10 = 21,060.66 : x
  2. Step 2: Convert to fraction form
    40,792.87/61,140.10 = 21,060.66/x
  3. Step 3: Cross multiply
    40,792.87x = 61,140.10 × 21,060.66
  4. Step 4: Simplify right side
    40,792.87x = 1,287,650,858.47
  5. Step 5: Solve for x
    x = 1,287,650,858.47/40,792.87
  6. Step 6: Final answer
    x = 31,565.59

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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.