Home / 51,001.12-76,472.25-19,799.92

Finding the Fourth Proportional to 51,001.12, 76,472.25 and 19,799.92

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Solution

The fourth proportional to 51,001.12, 76,472.25 and 19,799.92 is: 29,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,001.12 : 76,472.25 = 19,799.92 : x
  2. Step 2: Convert to fraction form
    51,001.12/76,472.25 = 19,799.92/x
  3. Step 3: Cross multiply
    51,001.12x = 76,472.25 × 19,799.92
  4. Step 4: Simplify right side
    51,001.12x = 1,514,144,432.22
  5. Step 5: Solve for x
    x = 1,514,144,432.22/51,001.12
  6. Step 6: Final answer
    x = 29,688.45

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1.5x scale

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.