Home / 38,468.12-57,710.30-21,836.12

Finding the Fourth Proportional to 38,468.12, 57,710.30 and 21,836.12

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Solution

The fourth proportional to 38,468.12, 57,710.30 and 21,836.12 is: 32,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.12 : 57,710.30 = 21,836.12 : x
  2. Step 2: Convert to fraction form
    38,468.12/57,710.30 = 21,836.12/x
  3. Step 3: Cross multiply
    38,468.12x = 57,710.30 × 21,836.12
  4. Step 4: Simplify right side
    38,468.12x = 1,260,169,036.04
  5. Step 5: Solve for x
    x = 1,260,169,036.04/38,468.12
  6. Step 6: Final answer
    x = 32,758.79

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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.