Home / 40,119.57-60,288.44-21,412.89

Finding the Fourth Proportional to 40,119.57, 60,288.44 and 21,412.89

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Solution

The fourth proportional to 40,119.57, 60,288.44 and 21,412.89 is: 32,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.57 : 60,288.44 = 21,412.89 : x
  2. Step 2: Convert to fraction form
    40,119.57/60,288.44 = 21,412.89/x
  3. Step 3: Cross multiply
    40,119.57x = 60,288.44 × 21,412.89
  4. Step 4: Simplify right side
    40,119.57x = 1,290,949,626.93
  5. Step 5: Solve for x
    x = 1,290,949,626.93/40,119.57
  6. Step 6: Final answer
    x = 32,177.55

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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.