Home / 42,539.24-63,815.78-14,461.81

Finding the Fourth Proportional to 42,539.24, 63,815.78 and 14,461.81

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Solution

The fourth proportional to 42,539.24, 63,815.78 and 14,461.81 is: 21,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.24 : 63,815.78 = 14,461.81 : x
  2. Step 2: Convert to fraction form
    42,539.24/63,815.78 = 14,461.81/x
  3. Step 3: Cross multiply
    42,539.24x = 63,815.78 × 14,461.81
  4. Step 4: Simplify right side
    42,539.24x = 922,891,561.98
  5. Step 5: Solve for x
    x = 922,891,561.98/42,539.24
  6. Step 6: Final answer
    x = 21,695.06

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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.