Home / 31,174.23-43,018.38-17,746.86

Finding the Fourth Proportional to 31,174.23, 43,018.38 and 17,746.86

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Solution

The fourth proportional to 31,174.23, 43,018.38 and 17,746.86 is: 24,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,174.23 : 43,018.38 = 17,746.86 : x
  2. Step 2: Convert to fraction form
    31,174.23/43,018.38 = 17,746.86/x
  3. Step 3: Cross multiply
    31,174.23x = 43,018.38 × 17,746.86
  4. Step 4: Simplify right side
    31,174.23x = 763,441,167.29
  5. Step 5: Solve for x
    x = 763,441,167.29/31,174.23
  6. Step 6: Final answer
    x = 24,489.50

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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.