Home / 40,672.92-61,011.52-12,612.36

Finding the Fourth Proportional to 40,672.92, 61,011.52 and 12,612.36

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Solution

The fourth proportional to 40,672.92, 61,011.52 and 12,612.36 is: 18,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,672.92 : 61,011.52 = 12,612.36 : x
  2. Step 2: Convert to fraction form
    40,672.92/61,011.52 = 12,612.36/x
  3. Step 3: Cross multiply
    40,672.92x = 61,011.52 × 12,612.36
  4. Step 4: Simplify right side
    40,672.92x = 769,499,254.39
  5. Step 5: Solve for x
    x = 769,499,254.39/40,672.92
  6. Step 6: Final answer
    x = 18,919.20

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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.