Home / 39,473.53-54,471.18-21,568.68

Finding the Fourth Proportional to 39,473.53, 54,471.18 and 21,568.68

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Solution

The fourth proportional to 39,473.53, 54,471.18 and 21,568.68 is: 29,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,473.53 : 54,471.18 = 21,568.68 : x
  2. Step 2: Convert to fraction form
    39,473.53/54,471.18 = 21,568.68/x
  3. Step 3: Cross multiply
    39,473.53x = 54,471.18 × 21,568.68
  4. Step 4: Simplify right side
    39,473.53x = 1,174,871,531.52
  5. Step 5: Solve for x
    x = 1,174,871,531.52/39,473.53
  6. Step 6: Final answer
    x = 29,763.53

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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.