Home / 39,747.08-54,785.08-38,695.33

Finding the Fourth Proportional to 39,747.08, 54,785.08 and 38,695.33

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Solution

The fourth proportional to 39,747.08, 54,785.08 and 38,695.33 is: 53,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.08 : 54,785.08 = 38,695.33 : x
  2. Step 2: Convert to fraction form
    39,747.08/54,785.08 = 38,695.33/x
  3. Step 3: Cross multiply
    39,747.08x = 54,785.08 × 38,695.33
  4. Step 4: Simplify right side
    39,747.08x = 2,119,926,749.68
  5. Step 5: Solve for x
    x = 2,119,926,749.68/39,747.08
  6. Step 6: Final answer
    x = 53,335.41

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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.