Home / 52,110.72-78,182.64-17,042.40

Finding the Fourth Proportional to 52,110.72, 78,182.64 and 17,042.40

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Solution

The fourth proportional to 52,110.72, 78,182.64 and 17,042.40 is: 25,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110.72 : 78,182.64 = 17,042.40 : x
  2. Step 2: Convert to fraction form
    52,110.72/78,182.64 = 17,042.40/x
  3. Step 3: Cross multiply
    52,110.72x = 78,182.64 × 17,042.40
  4. Step 4: Simplify right side
    52,110.72x = 1,332,419,823.94
  5. Step 5: Solve for x
    x = 1,332,419,823.94/52,110.72
  6. Step 6: Final answer
    x = 25,569.02

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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.