Home / 40,287.40-60,410.34-18,081.74

Finding the Fourth Proportional to 40,287.40, 60,410.34 and 18,081.74

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Solution

The fourth proportional to 40,287.40, 60,410.34 and 18,081.74 is: 27,113.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287.40 : 60,410.34 = 18,081.74 : x
  2. Step 2: Convert to fraction form
    40,287.40/60,410.34 = 18,081.74/x
  3. Step 3: Cross multiply
    40,287.40x = 60,410.34 × 18,081.74
  4. Step 4: Simplify right side
    40,287.40x = 1,092,324,061.19
  5. Step 5: Solve for x
    x = 1,092,324,061.19/40,287.40
  6. Step 6: Final answer
    x = 27,113.29

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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.