Home / 42,194.09-63,253.88-15,917.28

Finding the Fourth Proportional to 42,194.09, 63,253.88 and 15,917.28

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Solution

The fourth proportional to 42,194.09, 63,253.88 and 15,917.28 is: 23,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,194.09 : 63,253.88 = 15,917.28 : x
  2. Step 2: Convert to fraction form
    42,194.09/63,253.88 = 15,917.28/x
  3. Step 3: Cross multiply
    42,194.09x = 63,253.88 × 15,917.28
  4. Step 4: Simplify right side
    42,194.09x = 1,006,829,837.91
  5. Step 5: Solve for x
    x = 1,006,829,837.91/42,194.09
  6. Step 6: Final answer
    x = 23,861.87

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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.