Home / 39,344.68-54,297.30-21,440.68

Finding the Fourth Proportional to 39,344.68, 54,297.30 and 21,440.68

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Solution

The fourth proportional to 39,344.68, 54,297.30 and 21,440.68 is: 29,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,344.68 : 54,297.30 = 21,440.68 : x
  2. Step 2: Convert to fraction form
    39,344.68/54,297.30 = 21,440.68/x
  3. Step 3: Cross multiply
    39,344.68x = 54,297.30 × 21,440.68
  4. Step 4: Simplify right side
    39,344.68x = 1,164,171,034.16
  5. Step 5: Solve for x
    x = 1,164,171,034.16/39,344.68
  6. Step 6: Final answer
    x = 29,589.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.