Home / 38,535.30-57,808.35-12,237.30

Finding the Fourth Proportional to 38,535.30, 57,808.35 and 12,237.30

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Solution

The fourth proportional to 38,535.30, 57,808.35 and 12,237.30 is: 18,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,535.30 : 57,808.35 = 12,237.30 : x
  2. Step 2: Convert to fraction form
    38,535.30/57,808.35 = 12,237.30/x
  3. Step 3: Cross multiply
    38,535.30x = 57,808.35 × 12,237.30
  4. Step 4: Simplify right side
    38,535.30x = 707,418,121.46
  5. Step 5: Solve for x
    x = 707,418,121.46/38,535.30
  6. Step 6: Final answer
    x = 18,357.66

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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.