Home / 38,412.20-57,618.30-36,881.30

Finding the Fourth Proportional to 38,412.20, 57,618.30 and 36,881.30

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Solution

The fourth proportional to 38,412.20, 57,618.30 and 36,881.30 is: 55,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.20 : 57,618.30 = 36,881.30 : x
  2. Step 2: Convert to fraction form
    38,412.20/57,618.30 = 36,881.30/x
  3. Step 3: Cross multiply
    38,412.20x = 57,618.30 × 36,881.30
  4. Step 4: Simplify right side
    38,412.20x = 2,125,037,807.79
  5. Step 5: Solve for x
    x = 2,125,037,807.79/38,412.20
  6. Step 6: Final answer
    x = 55,321.95

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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.