Home / 42,657.18-63,995.77-14,577.47

Finding the Fourth Proportional to 42,657.18, 63,995.77 and 14,577.47

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Solution

The fourth proportional to 42,657.18, 63,995.77 and 14,577.47 is: 21,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,657.18 : 63,995.77 = 14,577.47 : x
  2. Step 2: Convert to fraction form
    42,657.18/63,995.77 = 14,577.47/x
  3. Step 3: Cross multiply
    42,657.18x = 63,995.77 × 14,577.47
  4. Step 4: Simplify right side
    42,657.18x = 932,896,355.53
  5. Step 5: Solve for x
    x = 932,896,355.53/42,657.18
  6. Step 6: Final answer
    x = 21,869.62

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1.5x scale

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.