Home / 47,324.80-70,987.20-40,288.60

Finding the Fourth Proportional to 47,324.80, 70,987.20 and 40,288.60

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Solution

The fourth proportional to 47,324.80, 70,987.20 and 40,288.60 is: 60,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,324.80 : 70,987.20 = 40,288.60 : x
  2. Step 2: Convert to fraction form
    47,324.80/70,987.20 = 40,288.60/x
  3. Step 3: Cross multiply
    47,324.80x = 70,987.20 × 40,288.60
  4. Step 4: Simplify right side
    47,324.80x = 2,859,974,905.92
  5. Step 5: Solve for x
    x = 2,859,974,905.92/47,324.80
  6. Step 6: Final answer
    x = 60,432.90

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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.