Home / 58,849.38-81,211.32-31,991.22

Finding the Fourth Proportional to 58,849.38, 81,211.32 and 31,991.22

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Solution

The fourth proportional to 58,849.38, 81,211.32 and 31,991.22 is: 44,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,849.38 : 81,211.32 = 31,991.22 : x
  2. Step 2: Convert to fraction form
    58,849.38/81,211.32 = 31,991.22/x
  3. Step 3: Cross multiply
    58,849.38x = 81,211.32 × 31,991.22
  4. Step 4: Simplify right side
    58,849.38x = 2,598,049,204.61
  5. Step 5: Solve for x
    x = 2,598,049,204.61/58,849.38
  6. Step 6: Final answer
    x = 44,147.44

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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.