Home / 42,451.81-63,705.35-16,156.78

Finding the Fourth Proportional to 42,451.81, 63,705.35 and 16,156.78

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Solution

The fourth proportional to 42,451.81, 63,705.35 and 16,156.78 is: 24,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,451.81 : 63,705.35 = 16,156.78 : x
  2. Step 2: Convert to fraction form
    42,451.81/63,705.35 = 16,156.78/x
  3. Step 3: Cross multiply
    42,451.81x = 63,705.35 × 16,156.78
  4. Step 4: Simplify right side
    42,451.81x = 1,029,273,205.90
  5. Step 5: Solve for x
    x = 1,029,273,205.90/42,451.81
  6. Step 6: Final answer
    x = 24,245.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.