Home / 31,165.58-43,010.25-17,019.74

Finding the Fourth Proportional to 31,165.58, 43,010.25 and 17,019.74

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Solution

The fourth proportional to 31,165.58, 43,010.25 and 17,019.74 is: 23,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,165.58 : 43,010.25 = 17,019.74 : x
  2. Step 2: Convert to fraction form
    31,165.58/43,010.25 = 17,019.74/x
  3. Step 3: Cross multiply
    31,165.58x = 43,010.25 × 17,019.74
  4. Step 4: Simplify right side
    31,165.58x = 732,023,272.34
  5. Step 5: Solve for x
    x = 732,023,272.34/31,165.58
  6. Step 6: Final answer
    x = 23,488.20

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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.