Home / 86,989.20-130,483.80-24,660.24

Finding the Fourth Proportional to 86,989.20, 130,483.80 and 24,660.24

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Solution

The fourth proportional to 86,989.20, 130,483.80 and 24,660.24 is: 36,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,989.20 : 130,483.80 = 24,660.24 : x
  2. Step 2: Convert to fraction form
    86,989.20/130,483.80 = 24,660.24/x
  3. Step 3: Cross multiply
    86,989.20x = 130,483.80 × 24,660.24
  4. Step 4: Simplify right side
    86,989.20x = 3,217,761,824.11
  5. Step 5: Solve for x
    x = 3,217,761,824.11/86,989.20
  6. Step 6: Final answer
    x = 36,990.36

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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.