Home / 42,468.04-63,677.45-14,378.72

Finding the Fourth Proportional to 42,468.04, 63,677.45 and 14,378.72

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Solution

The fourth proportional to 42,468.04, 63,677.45 and 14,378.72 is: 21,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,468.04 : 63,677.45 = 14,378.72 : x
  2. Step 2: Convert to fraction form
    42,468.04/63,677.45 = 14,378.72/x
  3. Step 3: Cross multiply
    42,468.04x = 63,677.45 × 14,378.72
  4. Step 4: Simplify right side
    42,468.04x = 915,600,419.00
  5. Step 5: Solve for x
    x = 915,600,419.00/42,468.04
  6. Step 6: Final answer
    x = 21,559.75

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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.