Home / 40,512-60,789.76-17,135.36

Finding the Fourth Proportional to 40,512, 60,789.76 and 17,135.36

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Solution

The fourth proportional to 40,512, 60,789.76 and 17,135.36 is: 25,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512 : 60,789.76 = 17,135.36 : x
  2. Step 2: Convert to fraction form
    40,512/60,789.76 = 17,135.36/x
  3. Step 3: Cross multiply
    40,512x = 60,789.76 × 17,135.36
  4. Step 4: Simplify right side
    40,512x = 1,041,654,421.91
  5. Step 5: Solve for x
    x = 1,041,654,421.91/40,512
  6. Step 6: Final answer
    x = 25,712.24

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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.