Home / 72,600.18-108,900.30-20,024.70

Finding the Fourth Proportional to 72,600.18, 108,900.30 and 20,024.70

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Solution

The fourth proportional to 72,600.18, 108,900.30 and 20,024.70 is: 30,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,600.18 : 108,900.30 = 20,024.70 : x
  2. Step 2: Convert to fraction form
    72,600.18/108,900.30 = 20,024.70/x
  3. Step 3: Cross multiply
    72,600.18x = 108,900.30 × 20,024.70
  4. Step 4: Simplify right side
    72,600.18x = 2,180,695,837.41
  5. Step 5: Solve for x
    x = 2,180,695,837.41/72,600.18
  6. Step 6: Final answer
    x = 30,037.06

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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.