Home / 31,665.90-43,699.56-17,519.24

Finding the Fourth Proportional to 31,665.90, 43,699.56 and 17,519.24

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Solution

The fourth proportional to 31,665.90, 43,699.56 and 17,519.24 is: 24,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665.90 : 43,699.56 = 17,519.24 : x
  2. Step 2: Convert to fraction form
    31,665.90/43,699.56 = 17,519.24/x
  3. Step 3: Cross multiply
    31,665.90x = 43,699.56 × 17,519.24
  4. Step 4: Simplify right side
    31,665.90x = 765,583,079.53
  5. Step 5: Solve for x
    x = 765,583,079.53/31,665.90
  6. Step 6: Final answer
    x = 24,176.89

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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.