Home / 56,287.23-84,347.29-31,292.89

Finding the Fourth Proportional to 56,287.23, 84,347.29 and 31,292.89

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Solution

The fourth proportional to 56,287.23, 84,347.29 and 31,292.89 is: 46,892.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,287.23 : 84,347.29 = 31,292.89 : x
  2. Step 2: Convert to fraction form
    56,287.23/84,347.29 = 31,292.89/x
  3. Step 3: Cross multiply
    56,287.23x = 84,347.29 × 31,292.89
  4. Step 4: Simplify right side
    56,287.23x = 2,639,470,311.30
  5. Step 5: Solve for x
    x = 2,639,470,311.30/56,287.23
  6. Step 6: Final answer
    x = 46,892.88

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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.