Home / 40,400.97-60,610.64-12,323.54

Finding the Fourth Proportional to 40,400.97, 60,610.64 and 12,323.54

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Solution

The fourth proportional to 40,400.97, 60,610.64 and 12,323.54 is: 18,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,400.97 : 60,610.64 = 12,323.54 : x
  2. Step 2: Convert to fraction form
    40,400.97/60,610.64 = 12,323.54/x
  3. Step 3: Cross multiply
    40,400.97x = 60,610.64 × 12,323.54
  4. Step 4: Simplify right side
    40,400.97x = 746,937,281.79
  5. Step 5: Solve for x
    x = 746,937,281.79/40,400.97
  6. Step 6: Final answer
    x = 18,488.10

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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.