Home / 48,314.20-72,471.30-42,170.20

Finding the Fourth Proportional to 48,314.20, 72,471.30 and 42,170.20

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Solution

The fourth proportional to 48,314.20, 72,471.30 and 42,170.20 is: 63,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,314.20 : 72,471.30 = 42,170.20 : x
  2. Step 2: Convert to fraction form
    48,314.20/72,471.30 = 42,170.20/x
  3. Step 3: Cross multiply
    48,314.20x = 72,471.30 × 42,170.20
  4. Step 4: Simplify right side
    48,314.20x = 3,056,129,215.26
  5. Step 5: Solve for x
    x = 3,056,129,215.26/48,314.20
  6. Step 6: Final answer
    x = 63,255.30

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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.