Home / 51,862.48-71,571.68-31,719

Finding the Fourth Proportional to 51,862.48, 71,571.68 and 31,719

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Solution

The fourth proportional to 51,862.48, 71,571.68 and 31,719 is: 43,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,862.48 : 71,571.68 = 31,719 : x
  2. Step 2: Convert to fraction form
    51,862.48/71,571.68 = 31,719/x
  3. Step 3: Cross multiply
    51,862.48x = 71,571.68 × 31,719
  4. Step 4: Simplify right side
    51,862.48x = 2,270,182,117.92
  5. Step 5: Solve for x
    x = 2,270,182,117.92/51,862.48
  6. Step 6: Final answer
    x = 43,773.11

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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.