Home / 42,539.22-63,811.76-14,447.81

Finding the Fourth Proportional to 42,539.22, 63,811.76 and 14,447.81

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Solution

The fourth proportional to 42,539.22, 63,811.76 and 14,447.81 is: 21,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.22 : 63,811.76 = 14,447.81 : x
  2. Step 2: Convert to fraction form
    42,539.22/63,811.76 = 14,447.81/x
  3. Step 3: Cross multiply
    42,539.22x = 63,811.76 × 14,447.81
  4. Step 4: Simplify right side
    42,539.22x = 921,940,184.25
  5. Step 5: Solve for x
    x = 921,940,184.25/42,539.22
  6. Step 6: Final answer
    x = 21,672.71

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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.