Home / 40,118.12-60,134.50-15,147.54

Finding the Fourth Proportional to 40,118.12, 60,134.50 and 15,147.54

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Solution

The fourth proportional to 40,118.12, 60,134.50 and 15,147.54 is: 22,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.12 : 60,134.50 = 15,147.54 : x
  2. Step 2: Convert to fraction form
    40,118.12/60,134.50 = 15,147.54/x
  3. Step 3: Cross multiply
    40,118.12x = 60,134.50 × 15,147.54
  4. Step 4: Simplify right side
    40,118.12x = 910,889,763.06
  5. Step 5: Solve for x
    x = 910,889,763.06/40,118.12
  6. Step 6: Final answer
    x = 22,705.20

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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.