Home / 39,853.80-54,997.12-22,860.88

Finding the Fourth Proportional to 39,853.80, 54,997.12 and 22,860.88

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Solution

The fourth proportional to 39,853.80, 54,997.12 and 22,860.88 is: 31,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.80 : 54,997.12 = 22,860.88 : x
  2. Step 2: Convert to fraction form
    39,853.80/54,997.12 = 22,860.88/x
  3. Step 3: Cross multiply
    39,853.80x = 54,997.12 × 22,860.88
  4. Step 4: Simplify right side
    39,853.80x = 1,257,282,560.67
  5. Step 5: Solve for x
    x = 1,257,282,560.67/39,853.80
  6. Step 6: Final answer
    x = 31,547.37

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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.