Home / 48,743.40-73,115.10-40,432.80

Finding the Fourth Proportional to 48,743.40, 73,115.10 and 40,432.80

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Solution

The fourth proportional to 48,743.40, 73,115.10 and 40,432.80 is: 60,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,743.40 : 73,115.10 = 40,432.80 : x
  2. Step 2: Convert to fraction form
    48,743.40/73,115.10 = 40,432.80/x
  3. Step 3: Cross multiply
    48,743.40x = 73,115.10 × 40,432.80
  4. Step 4: Simplify right side
    48,743.40x = 2,956,248,215.28
  5. Step 5: Solve for x
    x = 2,956,248,215.28/48,743.40
  6. Step 6: Final answer
    x = 60,649.20

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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.