Home / 42,040.96-58,016.92-23,178.80

Finding the Fourth Proportional to 42,040.96, 58,016.92 and 23,178.80

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Solution

The fourth proportional to 42,040.96, 58,016.92 and 23,178.80 is: 31,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,040.96 : 58,016.92 = 23,178.80 : x
  2. Step 2: Convert to fraction form
    42,040.96/58,016.92 = 23,178.80/x
  3. Step 3: Cross multiply
    42,040.96x = 58,016.92 × 23,178.80
  4. Step 4: Simplify right side
    42,040.96x = 1,344,762,585.30
  5. Step 5: Solve for x
    x = 1,344,762,585.30/42,040.96
  6. Step 6: Final answer
    x = 31,986.96

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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.