Home / 42,539.52-63,793.28-14,070.40

Finding the Fourth Proportional to 42,539.52, 63,793.28 and 14,070.40

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Solution

The fourth proportional to 42,539.52, 63,793.28 and 14,070.40 is: 21,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.52 : 63,793.28 = 14,070.40 : x
  2. Step 2: Convert to fraction form
    42,539.52/63,793.28 = 14,070.40/x
  3. Step 3: Cross multiply
    42,539.52x = 63,793.28 × 14,070.40
  4. Step 4: Simplify right side
    42,539.52x = 897,596,966.91
  5. Step 5: Solve for x
    x = 897,596,966.91/42,539.52
  6. Step 6: Final answer
    x = 21,100.31

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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.