Home / 39,177.42-54,064.01-21,272.27

Finding the Fourth Proportional to 39,177.42, 54,064.01 and 21,272.27

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Solution

The fourth proportional to 39,177.42, 54,064.01 and 21,272.27 is: 29,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,177.42 : 54,064.01 = 21,272.27 : x
  2. Step 2: Convert to fraction form
    39,177.42/54,064.01 = 21,272.27/x
  3. Step 3: Cross multiply
    39,177.42x = 54,064.01 × 21,272.27
  4. Step 4: Simplify right side
    39,177.42x = 1,150,063,841.32
  5. Step 5: Solve for x
    x = 1,150,063,841.32/39,177.42
  6. Step 6: Final answer
    x = 29,355.27

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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.