Home / 86,271.52-129,407.24-23,942

Finding the Fourth Proportional to 86,271.52, 129,407.24 and 23,942

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Solution

The fourth proportional to 86,271.52, 129,407.24 and 23,942 is: 35,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,271.52 : 129,407.24 = 23,942 : x
  2. Step 2: Convert to fraction form
    86,271.52/129,407.24 = 23,942/x
  3. Step 3: Cross multiply
    86,271.52x = 129,407.24 × 23,942
  4. Step 4: Simplify right side
    86,271.52x = 3,098,268,140.08
  5. Step 5: Solve for x
    x = 3,098,268,140.08/86,271.52
  6. Step 6: Final answer
    x = 35,912.99

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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.