Home / 53,207.20-79,714.80-31,002.40

Finding the Fourth Proportional to 53,207.20, 79,714.80 and 31,002.40

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Solution

The fourth proportional to 53,207.20, 79,714.80 and 31,002.40 is: 46,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,207.20 : 79,714.80 = 31,002.40 : x
  2. Step 2: Convert to fraction form
    53,207.20/79,714.80 = 31,002.40/x
  3. Step 3: Cross multiply
    53,207.20x = 79,714.80 × 31,002.40
  4. Step 4: Simplify right side
    53,207.20x = 2,471,350,115.52
  5. Step 5: Solve for x
    x = 2,471,350,115.52/53,207.20
  6. Step 6: Final answer
    x = 46,447.66

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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.