Home / 39,168.22-54,052.14-21,263.20

Finding the Fourth Proportional to 39,168.22, 54,052.14 and 21,263.20

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Solution

The fourth proportional to 39,168.22, 54,052.14 and 21,263.20 is: 29,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.22 : 54,052.14 = 21,263.20 : x
  2. Step 2: Convert to fraction form
    39,168.22/54,052.14 = 21,263.20/x
  3. Step 3: Cross multiply
    39,168.22x = 54,052.14 × 21,263.20
  4. Step 4: Simplify right side
    39,168.22x = 1,149,321,463.25
  5. Step 5: Solve for x
    x = 1,149,321,463.25/39,168.22
  6. Step 6: Final answer
    x = 29,343.21

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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.