Home / 31,319.06-43,220.64-17,892.10

Finding the Fourth Proportional to 31,319.06, 43,220.64 and 17,892.10

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Solution

The fourth proportional to 31,319.06, 43,220.64 and 17,892.10 is: 24,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.06 : 43,220.64 = 17,892.10 : x
  2. Step 2: Convert to fraction form
    31,319.06/43,220.64 = 17,892.10/x
  3. Step 3: Cross multiply
    31,319.06x = 43,220.64 × 17,892.10
  4. Step 4: Simplify right side
    31,319.06x = 773,308,012.94
  5. Step 5: Solve for x
    x = 773,308,012.94/31,319.06
  6. Step 6: Final answer
    x = 24,691.29

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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.