Home / 40,474.10-60,711.15-12,772.10

Finding the Fourth Proportional to 40,474.10, 60,711.15 and 12,772.10

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Solution

The fourth proportional to 40,474.10, 60,711.15 and 12,772.10 is: 19,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,474.10 : 60,711.15 = 12,772.10 : x
  2. Step 2: Convert to fraction form
    40,474.10/60,711.15 = 12,772.10/x
  3. Step 3: Cross multiply
    40,474.10x = 60,711.15 × 12,772.10
  4. Step 4: Simplify right side
    40,474.10x = 775,408,878.92
  5. Step 5: Solve for x
    x = 775,408,878.92/40,474.10
  6. Step 6: Final answer
    x = 19,158.15

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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.