Home / 38,314.08-57,478.41-12,011.76

Finding the Fourth Proportional to 38,314.08, 57,478.41 and 12,011.76

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Solution

The fourth proportional to 38,314.08, 57,478.41 and 12,011.76 is: 18,019.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.08 : 57,478.41 = 12,011.76 : x
  2. Step 2: Convert to fraction form
    38,314.08/57,478.41 = 12,011.76/x
  3. Step 3: Cross multiply
    38,314.08x = 57,478.41 × 12,011.76
  4. Step 4: Simplify right side
    38,314.08x = 690,416,866.10
  5. Step 5: Solve for x
    x = 690,416,866.10/38,314.08
  6. Step 6: Final answer
    x = 18,019.93

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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.