Home / 39,448.26-54,438.32-21,543.27

Finding the Fourth Proportional to 39,448.26, 54,438.32 and 21,543.27

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Solution

The fourth proportional to 39,448.26, 54,438.32 and 21,543.27 is: 29,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,448.26 : 54,438.32 = 21,543.27 : x
  2. Step 2: Convert to fraction form
    39,448.26/54,438.32 = 21,543.27/x
  3. Step 3: Cross multiply
    39,448.26x = 54,438.32 × 21,543.27
  4. Step 4: Simplify right side
    39,448.26x = 1,172,779,046.20
  5. Step 5: Solve for x
    x = 1,172,779,046.20/39,448.26
  6. Step 6: Final answer
    x = 29,729.55

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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.