Home / 34,514.17-47,610.10-20,712.97

Finding the Fourth Proportional to 34,514.17, 47,610.10 and 20,712.97

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Solution

The fourth proportional to 34,514.17, 47,610.10 and 20,712.97 is: 28,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,514.17 : 47,610.10 = 20,712.97 : x
  2. Step 2: Convert to fraction form
    34,514.17/47,610.10 = 20,712.97/x
  3. Step 3: Cross multiply
    34,514.17x = 47,610.10 × 20,712.97
  4. Step 4: Simplify right side
    34,514.17x = 986,146,675.79
  5. Step 5: Solve for x
    x = 986,146,675.79/34,514.17
  6. Step 6: Final answer
    x = 28,572.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.