Home / 40,115.80-60,139.68-22,590.64

Finding the Fourth Proportional to 40,115.80, 60,139.68 and 22,590.64

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Solution

The fourth proportional to 40,115.80, 60,139.68 and 22,590.64 is: 33,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.80 : 60,139.68 = 22,590.64 : x
  2. Step 2: Convert to fraction form
    40,115.80/60,139.68 = 22,590.64/x
  3. Step 3: Cross multiply
    40,115.80x = 60,139.68 × 22,590.64
  4. Step 4: Simplify right side
    40,115.80x = 1,358,593,860.60
  5. Step 5: Solve for x
    x = 1,358,593,860.60/40,115.80
  6. Step 6: Final answer
    x = 33,866.80

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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.