Home / 40,412.09-60,618.14-12,332.29

Finding the Fourth Proportional to 40,412.09, 60,618.14 and 12,332.29

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Solution

The fourth proportional to 40,412.09, 60,618.14 and 12,332.29 is: 18,498.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,412.09 : 60,618.14 = 12,332.29 : x
  2. Step 2: Convert to fraction form
    40,412.09/60,618.14 = 12,332.29/x
  3. Step 3: Cross multiply
    40,412.09x = 60,618.14 × 12,332.29
  4. Step 4: Simplify right side
    40,412.09x = 747,560,481.74
  5. Step 5: Solve for x
    x = 747,560,481.74/40,412.09
  6. Step 6: Final answer
    x = 18,498.44

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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.