Home / 39,290.69-54,248.22-36,781.13

Finding the Fourth Proportional to 39,290.69, 54,248.22 and 36,781.13

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Solution

The fourth proportional to 39,290.69, 54,248.22 and 36,781.13 is: 50,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,290.69 : 54,248.22 = 36,781.13 : x
  2. Step 2: Convert to fraction form
    39,290.69/54,248.22 = 36,781.13/x
  3. Step 3: Cross multiply
    39,290.69x = 54,248.22 × 36,781.13
  4. Step 4: Simplify right side
    39,290.69x = 1,995,310,560.85
  5. Step 5: Solve for x
    x = 1,995,310,560.85/39,290.69
  6. Step 6: Final answer
    x = 50,783.30

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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.