Home / 51,835.28-71,514.85-31,423.92

Finding the Fourth Proportional to 51,835.28, 71,514.85 and 31,423.92

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Solution

The fourth proportional to 51,835.28, 71,514.85 and 31,423.92 is: 43,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,835.28 : 71,514.85 = 31,423.92 : x
  2. Step 2: Convert to fraction form
    51,835.28/71,514.85 = 31,423.92/x
  3. Step 3: Cross multiply
    51,835.28x = 71,514.85 × 31,423.92
  4. Step 4: Simplify right side
    51,835.28x = 2,247,276,637.39
  5. Step 5: Solve for x
    x = 2,247,276,637.39/51,835.28
  6. Step 6: Final answer
    x = 43,354.20

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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.