Home / 40,775.92-61,138.74-14,115.71

Finding the Fourth Proportional to 40,775.92, 61,138.74 and 14,115.71

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Solution

The fourth proportional to 40,775.92, 61,138.74 and 14,115.71 is: 21,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,775.92 : 61,138.74 = 14,115.71 : x
  2. Step 2: Convert to fraction form
    40,775.92/61,138.74 = 14,115.71/x
  3. Step 3: Cross multiply
    40,775.92x = 61,138.74 × 14,115.71
  4. Step 4: Simplify right side
    40,775.92x = 863,016,347.33
  5. Step 5: Solve for x
    x = 863,016,347.33/40,775.92
  6. Step 6: Final answer
    x = 21,164.85

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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.