Home / 41,322.68-61,988.12-13,235.68

Finding the Fourth Proportional to 41,322.68, 61,988.12 and 13,235.68

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Solution

The fourth proportional to 41,322.68, 61,988.12 and 13,235.68 is: 19,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,322.68 : 61,988.12 = 13,235.68 : x
  2. Step 2: Convert to fraction form
    41,322.68/61,988.12 = 13,235.68/x
  3. Step 3: Cross multiply
    41,322.68x = 61,988.12 × 13,235.68
  4. Step 4: Simplify right side
    41,322.68x = 820,454,920.12
  5. Step 5: Solve for x
    x = 820,454,920.12/41,322.68
  6. Step 6: Final answer
    x = 19,854.83

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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.