Home / 38,303.15-57,454.65-12,007.85

Finding the Fourth Proportional to 38,303.15, 57,454.65 and 12,007.85

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Solution

The fourth proportional to 38,303.15, 57,454.65 and 12,007.85 is: 18,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,303.15 : 57,454.65 = 12,007.85 : x
  2. Step 2: Convert to fraction form
    38,303.15/57,454.65 = 12,007.85/x
  3. Step 3: Cross multiply
    38,303.15x = 57,454.65 × 12,007.85
  4. Step 4: Simplify right side
    38,303.15x = 689,906,531.73
  5. Step 5: Solve for x
    x = 689,906,531.73/38,303.15
  6. Step 6: Final answer
    x = 18,011.75

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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.