Home / 39,765.74-54,818.98-27,791.91

Finding the Fourth Proportional to 39,765.74, 54,818.98 and 27,791.91

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Solution

The fourth proportional to 39,765.74, 54,818.98 and 27,791.91 is: 38,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.74 : 54,818.98 = 27,791.91 : x
  2. Step 2: Convert to fraction form
    39,765.74/54,818.98 = 27,791.91/x
  3. Step 3: Cross multiply
    39,765.74x = 54,818.98 × 27,791.91
  4. Step 4: Simplify right side
    39,765.74x = 1,523,524,088.97
  5. Step 5: Solve for x
    x = 1,523,524,088.97/39,765.74
  6. Step 6: Final answer
    x = 38,312.48

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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.