Home / 39,733.56-54,833.28-21,829.72

Finding the Fourth Proportional to 39,733.56, 54,833.28 and 21,829.72

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Solution

The fourth proportional to 39,733.56, 54,833.28 and 21,829.72 is: 30,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,733.56 : 54,833.28 = 21,829.72 : x
  2. Step 2: Convert to fraction form
    39,733.56/54,833.28 = 21,829.72/x
  3. Step 3: Cross multiply
    39,733.56x = 54,833.28 × 21,829.72
  4. Step 4: Simplify right side
    39,733.56x = 1,196,995,149.08
  5. Step 5: Solve for x
    x = 1,196,995,149.08/39,733.56
  6. Step 6: Final answer
    x = 30,125.54

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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.