Home / 31,970.96-44,122.33-18,542.11

Finding the Fourth Proportional to 31,970.96, 44,122.33 and 18,542.11

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Solution

The fourth proportional to 31,970.96, 44,122.33 and 18,542.11 is: 25,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,970.96 : 44,122.33 = 18,542.11 : x
  2. Step 2: Convert to fraction form
    31,970.96/44,122.33 = 18,542.11/x
  3. Step 3: Cross multiply
    31,970.96x = 44,122.33 × 18,542.11
  4. Step 4: Simplify right side
    31,970.96x = 818,120,875.70
  5. Step 5: Solve for x
    x = 818,120,875.70/31,970.96
  6. Step 6: Final answer
    x = 25,589.50

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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.