Home / 57,617.20-86,514.90-31,373.20

Finding the Fourth Proportional to 57,617.20, 86,514.90 and 31,373.20

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Solution

The fourth proportional to 57,617.20, 86,514.90 and 31,373.20 is: 47,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,617.20 : 86,514.90 = 31,373.20 : x
  2. Step 2: Convert to fraction form
    57,617.20/86,514.90 = 31,373.20/x
  3. Step 3: Cross multiply
    57,617.20x = 86,514.90 × 31,373.20
  4. Step 4: Simplify right side
    57,617.20x = 2,714,249,260.68
  5. Step 5: Solve for x
    x = 2,714,249,260.68/57,617.20
  6. Step 6: Final answer
    x = 47,108.32

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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.