Home / 38,326.87-57,499.55-12,031.61

Finding the Fourth Proportional to 38,326.87, 57,499.55 and 12,031.61

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Solution

The fourth proportional to 38,326.87, 57,499.55 and 12,031.61 is: 18,050.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.87 : 57,499.55 = 12,031.61 : x
  2. Step 2: Convert to fraction form
    38,326.87/57,499.55 = 12,031.61/x
  3. Step 3: Cross multiply
    38,326.87x = 57,499.55 × 12,031.61
  4. Step 4: Simplify right side
    38,326.87x = 691,811,925.92
  5. Step 5: Solve for x
    x = 691,811,925.92/38,326.87
  6. Step 6: Final answer
    x = 18,050.31

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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.