Home / 31,577.38-43,579.70-22,031.13

Finding the Fourth Proportional to 31,577.38, 43,579.70 and 22,031.13

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Solution

The fourth proportional to 31,577.38, 43,579.70 and 22,031.13 is: 30,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.38 : 43,579.70 = 22,031.13 : x
  2. Step 2: Convert to fraction form
    31,577.38/43,579.70 = 22,031.13/x
  3. Step 3: Cross multiply
    31,577.38x = 43,579.70 × 22,031.13
  4. Step 4: Simplify right side
    31,577.38x = 960,110,036.06
  5. Step 5: Solve for x
    x = 960,110,036.06/31,577.38
  6. Step 6: Final answer
    x = 30,404.99

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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.