Home / 38,839.74-58,247.25-12,538.36

Finding the Fourth Proportional to 38,839.74, 58,247.25 and 12,538.36

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Solution

The fourth proportional to 38,839.74, 58,247.25 and 12,538.36 is: 18,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839.74 : 58,247.25 = 12,538.36 : x
  2. Step 2: Convert to fraction form
    38,839.74/58,247.25 = 12,538.36/x
  3. Step 3: Cross multiply
    38,839.74x = 58,247.25 × 12,538.36
  4. Step 4: Simplify right side
    38,839.74x = 730,324,989.51
  5. Step 5: Solve for x
    x = 730,324,989.51/38,839.74
  6. Step 6: Final answer
    x = 18,803.55

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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.