Home / 40,019.74-60,085.19-20,312.44

Finding the Fourth Proportional to 40,019.74, 60,085.19 and 20,312.44

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Solution

The fourth proportional to 40,019.74, 60,085.19 and 20,312.44 is: 30,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.74 : 60,085.19 = 20,312.44 : x
  2. Step 2: Convert to fraction form
    40,019.74/60,085.19 = 20,312.44/x
  3. Step 3: Cross multiply
    40,019.74x = 60,085.19 × 20,312.44
  4. Step 4: Simplify right side
    40,019.74x = 1,220,476,717.33
  5. Step 5: Solve for x
    x = 1,220,476,717.33/40,019.74
  6. Step 6: Final answer
    x = 30,496.87

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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.