Home / 42,098.60-63,148.21-28,910.99

Finding the Fourth Proportional to 42,098.60, 63,148.21 and 28,910.99

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Solution

The fourth proportional to 42,098.60, 63,148.21 and 28,910.99 is: 43,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,098.60 : 63,148.21 = 28,910.99 : x
  2. Step 2: Convert to fraction form
    42,098.60/63,148.21 = 28,910.99/x
  3. Step 3: Cross multiply
    42,098.60x = 63,148.21 × 28,910.99
  4. Step 4: Simplify right side
    42,098.60x = 1,825,677,353.42
  5. Step 5: Solve for x
    x = 1,825,677,353.42/42,098.60
  6. Step 6: Final answer
    x = 43,366.70

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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.