Home / 40,045.56-55,266.90-22,141.92

Finding the Fourth Proportional to 40,045.56, 55,266.90 and 22,141.92

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Solution

The fourth proportional to 40,045.56, 55,266.90 and 22,141.92 is: 30,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.56 : 55,266.90 = 22,141.92 : x
  2. Step 2: Convert to fraction form
    40,045.56/55,266.90 = 22,141.92/x
  3. Step 3: Cross multiply
    40,045.56x = 55,266.90 × 22,141.92
  4. Step 4: Simplify right side
    40,045.56x = 1,223,715,278.45
  5. Step 5: Solve for x
    x = 1,223,715,278.45/40,045.56
  6. Step 6: Final answer
    x = 30,558.08

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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.