Home / 31,466.08-43,422.19-17,318.89

Finding the Fourth Proportional to 31,466.08, 43,422.19 and 17,318.89

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Solution

The fourth proportional to 31,466.08, 43,422.19 and 17,318.89 is: 23,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,466.08 : 43,422.19 = 17,318.89 : x
  2. Step 2: Convert to fraction form
    31,466.08/43,422.19 = 17,318.89/x
  3. Step 3: Cross multiply
    31,466.08x = 43,422.19 × 17,318.89
  4. Step 4: Simplify right side
    31,466.08x = 752,024,132.17
  5. Step 5: Solve for x
    x = 752,024,132.17/31,466.08
  6. Step 6: Final answer
    x = 23,899.52

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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.