Home / 40,607.06-60,919.28-12,146.24

Finding the Fourth Proportional to 40,607.06, 60,919.28 and 12,146.24

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Solution

The fourth proportional to 40,607.06, 60,919.28 and 12,146.24 is: 18,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,607.06 : 60,919.28 = 12,146.24 : x
  2. Step 2: Convert to fraction form
    40,607.06/60,919.28 = 12,146.24/x
  3. Step 3: Cross multiply
    40,607.06x = 60,919.28 × 12,146.24
  4. Step 4: Simplify right side
    40,607.06x = 739,940,134.78
  5. Step 5: Solve for x
    x = 739,940,134.78/40,607.06
  6. Step 6: Final answer
    x = 18,221.96

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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.