Home / 74,599.32-111,897.86-18,439.43

Finding the Fourth Proportional to 74,599.32, 111,897.86 and 18,439.43

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Solution

The fourth proportional to 74,599.32, 111,897.86 and 18,439.43 is: 27,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,599.32 : 111,897.86 = 18,439.43 : x
  2. Step 2: Convert to fraction form
    74,599.32/111,897.86 = 18,439.43/x
  3. Step 3: Cross multiply
    74,599.32x = 111,897.86 × 18,439.43
  4. Step 4: Simplify right side
    74,599.32x = 2,063,332,756.62
  5. Step 5: Solve for x
    x = 2,063,332,756.62/74,599.32
  6. Step 6: Final answer
    x = 27,658.87

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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.