Home / 31,549.88-43,541.68-22,003.62

Finding the Fourth Proportional to 31,549.88, 43,541.68 and 22,003.62

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Solution

The fourth proportional to 31,549.88, 43,541.68 and 22,003.62 is: 30,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.88 : 43,541.68 = 22,003.62 : x
  2. Step 2: Convert to fraction form
    31,549.88/43,541.68 = 22,003.62/x
  3. Step 3: Cross multiply
    31,549.88x = 43,541.68 × 22,003.62
  4. Step 4: Simplify right side
    31,549.88x = 958,074,580.88
  5. Step 5: Solve for x
    x = 958,074,580.88/31,549.88
  6. Step 6: Final answer
    x = 30,366.98

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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.