Home / 39,375.74-54,337.33-21,471.10

Finding the Fourth Proportional to 39,375.74, 54,337.33 and 21,471.10

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Solution

The fourth proportional to 39,375.74, 54,337.33 and 21,471.10 is: 29,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.74 : 54,337.33 = 21,471.10 : x
  2. Step 2: Convert to fraction form
    39,375.74/54,337.33 = 21,471.10/x
  3. Step 3: Cross multiply
    39,375.74x = 54,337.33 × 21,471.10
  4. Step 4: Simplify right side
    39,375.74x = 1,166,682,056.64
  5. Step 5: Solve for x
    x = 1,166,682,056.64/39,375.74
  6. Step 6: Final answer
    x = 29,629.46

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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.