Home / 86,621.36-129,921.24-24,296.72

Finding the Fourth Proportional to 86,621.36, 129,921.24 and 24,296.72

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Solution

The fourth proportional to 86,621.36, 129,921.24 and 24,296.72 is: 36,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,621.36 : 129,921.24 = 24,296.72 : x
  2. Step 2: Convert to fraction form
    86,621.36/129,921.24 = 24,296.72/x
  3. Step 3: Cross multiply
    86,621.36x = 129,921.24 × 24,296.72
  4. Step 4: Simplify right side
    86,621.36x = 3,156,659,990.33
  5. Step 5: Solve for x
    x = 3,156,659,990.33/86,621.36
  6. Step 6: Final answer
    x = 36,442.05

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1.5x scale

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.