Home / 38,306.60-57,465.30-12,008.60

Finding the Fourth Proportional to 38,306.60, 57,465.30 and 12,008.60

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Solution

The fourth proportional to 38,306.60, 57,465.30 and 12,008.60 is: 18,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,306.60 : 57,465.30 = 12,008.60 : x
  2. Step 2: Convert to fraction form
    38,306.60/57,465.30 = 12,008.60/x
  3. Step 3: Cross multiply
    38,306.60x = 57,465.30 × 12,008.60
  4. Step 4: Simplify right side
    38,306.60x = 690,077,801.58
  5. Step 5: Solve for x
    x = 690,077,801.58/38,306.60
  6. Step 6: Final answer
    x = 18,014.59

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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.