Home / 40,121.22-60,181.56-31,363.50

Finding the Fourth Proportional to 40,121.22, 60,181.56 and 31,363.50

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Solution

The fourth proportional to 40,121.22, 60,181.56 and 31,363.50 is: 47,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,121.22 : 60,181.56 = 31,363.50 : x
  2. Step 2: Convert to fraction form
    40,121.22/60,181.56 = 31,363.50/x
  3. Step 3: Cross multiply
    40,121.22x = 60,181.56 × 31,363.50
  4. Step 4: Simplify right side
    40,121.22x = 1,887,504,357.06
  5. Step 5: Solve for x
    x = 1,887,504,357.06/40,121.22
  6. Step 6: Final answer
    x = 47,045.04

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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.