Home / 57,956.45-86,947.70-31,301.87

Finding the Fourth Proportional to 57,956.45, 86,947.70 and 31,301.87

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Solution

The fourth proportional to 57,956.45, 86,947.70 and 31,301.87 is: 46,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,956.45 : 86,947.70 = 31,301.87 : x
  2. Step 2: Convert to fraction form
    57,956.45/86,947.70 = 31,301.87/x
  3. Step 3: Cross multiply
    57,956.45x = 86,947.70 × 31,301.87
  4. Step 4: Simplify right side
    57,956.45x = 2,721,625,010.95
  5. Step 5: Solve for x
    x = 2,721,625,010.95/57,956.45
  6. Step 6: Final answer
    x = 46,959.83

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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.