Home / 31,262.96-43,143.38-17,117.12

Finding the Fourth Proportional to 31,262.96, 43,143.38 and 17,117.12

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Solution

The fourth proportional to 31,262.96, 43,143.38 and 17,117.12 is: 23,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.96 : 43,143.38 = 17,117.12 : x
  2. Step 2: Convert to fraction form
    31,262.96/43,143.38 = 17,117.12/x
  3. Step 3: Cross multiply
    31,262.96x = 43,143.38 × 17,117.12
  4. Step 4: Simplify right side
    31,262.96x = 738,490,412.67
  5. Step 5: Solve for x
    x = 738,490,412.67/31,262.96
  6. Step 6: Final answer
    x = 23,621.90

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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.