Home / 42,432.40-63,657.78-16,137.64

Finding the Fourth Proportional to 42,432.40, 63,657.78 and 16,137.64

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Solution

The fourth proportional to 42,432.40, 63,657.78 and 16,137.64 is: 24,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,432.40 : 63,657.78 = 16,137.64 : x
  2. Step 2: Convert to fraction form
    42,432.40/63,657.78 = 16,137.64/x
  3. Step 3: Cross multiply
    42,432.40x = 63,657.78 × 16,137.64
  4. Step 4: Simplify right side
    42,432.40x = 1,027,286,336.84
  5. Step 5: Solve for x
    x = 1,027,286,336.84/42,432.40
  6. Step 6: Final answer
    x = 24,209.95

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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.