Home / 58,749.28-81,073.81-31,891.60

Finding the Fourth Proportional to 58,749.28, 81,073.81 and 31,891.60

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Solution

The fourth proportional to 58,749.28, 81,073.81 and 31,891.60 is: 44,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,749.28 : 81,073.81 = 31,891.60 : x
  2. Step 2: Convert to fraction form
    58,749.28/81,073.81 = 31,891.60/x
  3. Step 3: Cross multiply
    58,749.28x = 81,073.81 × 31,891.60
  4. Step 4: Simplify right side
    58,749.28x = 2,585,573,610.90
  5. Step 5: Solve for x
    x = 2,585,573,610.90/58,749.28
  6. Step 6: Final answer
    x = 44,010.30

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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.