Home / 39,266.52-54,186.19-21,361.53

Finding the Fourth Proportional to 39,266.52, 54,186.19 and 21,361.53

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Solution

The fourth proportional to 39,266.52, 54,186.19 and 21,361.53 is: 29,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,266.52 : 54,186.19 = 21,361.53 : x
  2. Step 2: Convert to fraction form
    39,266.52/54,186.19 = 21,361.53/x
  3. Step 3: Cross multiply
    39,266.52x = 54,186.19 × 21,361.53
  4. Step 4: Simplify right side
    39,266.52x = 1,157,499,923.27
  5. Step 5: Solve for x
    x = 1,157,499,923.27/39,266.52
  6. Step 6: Final answer
    x = 29,478.04

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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.