Home / 40,590.97-60,875.85-12,121.22

Finding the Fourth Proportional to 40,590.97, 60,875.85 and 12,121.22

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Solution

The fourth proportional to 40,590.97, 60,875.85 and 12,121.22 is: 18,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,590.97 : 60,875.85 = 12,121.22 : x
  2. Step 2: Convert to fraction form
    40,590.97/60,875.85 = 12,121.22/x
  3. Step 3: Cross multiply
    40,590.97x = 60,875.85 × 12,121.22
  4. Step 4: Simplify right side
    40,590.97x = 737,889,570.54
  5. Step 5: Solve for x
    x = 737,889,570.54/40,590.97
  6. Step 6: Final answer
    x = 18,178.66

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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.