Home / 39,155.88-54,033.52-21,250.24

Finding the Fourth Proportional to 39,155.88, 54,033.52 and 21,250.24

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Solution

The fourth proportional to 39,155.88, 54,033.52 and 21,250.24 is: 29,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155.88 : 54,033.52 = 21,250.24 : x
  2. Step 2: Convert to fraction form
    39,155.88/54,033.52 = 21,250.24/x
  3. Step 3: Cross multiply
    39,155.88x = 54,033.52 × 21,250.24
  4. Step 4: Simplify right side
    39,155.88x = 1,148,225,268.04
  5. Step 5: Solve for x
    x = 1,148,225,268.04/39,155.88
  6. Step 6: Final answer
    x = 29,324.47

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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.