Home / 31,980.48-44,132.16-18,550.88

Finding the Fourth Proportional to 31,980.48, 44,132.16 and 18,550.88

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Solution

The fourth proportional to 31,980.48, 44,132.16 and 18,550.88 is: 25,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.48 : 44,132.16 = 18,550.88 : x
  2. Step 2: Convert to fraction form
    31,980.48/44,132.16 = 18,550.88/x
  3. Step 3: Cross multiply
    31,980.48x = 44,132.16 × 18,550.88
  4. Step 4: Simplify right side
    31,980.48x = 818,690,404.30
  5. Step 5: Solve for x
    x = 818,690,404.30/31,980.48
  6. Step 6: Final answer
    x = 25,599.69

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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.