Home / 40,132.06-60,142.73-30,260.49

Finding the Fourth Proportional to 40,132.06, 60,142.73 and 30,260.49

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Solution

The fourth proportional to 40,132.06, 60,142.73 and 30,260.49 is: 45,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,132.06 : 60,142.73 = 30,260.49 : x
  2. Step 2: Convert to fraction form
    40,132.06/60,142.73 = 30,260.49/x
  3. Step 3: Cross multiply
    40,132.06x = 60,142.73 × 30,260.49
  4. Step 4: Simplify right side
    40,132.06x = 1,819,948,479.74
  5. Step 5: Solve for x
    x = 1,819,948,479.74/40,132.06
  6. Step 6: Final answer
    x = 45,348.99

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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.