Home / 31,442.85-43,388.76-17,296.61

Finding the Fourth Proportional to 31,442.85, 43,388.76 and 17,296.61

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Solution

The fourth proportional to 31,442.85, 43,388.76 and 17,296.61 is: 23,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.85 : 43,388.76 = 17,296.61 : x
  2. Step 2: Convert to fraction form
    31,442.85/43,388.76 = 17,296.61/x
  3. Step 3: Cross multiply
    31,442.85x = 43,388.76 × 17,296.61
  4. Step 4: Simplify right side
    31,442.85x = 750,478,308.02
  5. Step 5: Solve for x
    x = 750,478,308.02/31,442.85
  6. Step 6: Final answer
    x = 23,868.01

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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.