Home / 40,813.76-61,186.90-15,508.04

Finding the Fourth Proportional to 40,813.76, 61,186.90 and 15,508.04

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Solution

The fourth proportional to 40,813.76, 61,186.90 and 15,508.04 is: 23,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,813.76 : 61,186.90 = 15,508.04 : x
  2. Step 2: Convert to fraction form
    40,813.76/61,186.90 = 15,508.04/x
  3. Step 3: Cross multiply
    40,813.76x = 61,186.90 × 15,508.04
  4. Step 4: Simplify right side
    40,813.76x = 948,888,706.71
  5. Step 5: Solve for x
    x = 948,888,706.71/40,813.76
  6. Step 6: Final answer
    x = 23,249.23

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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.