Home / 31,181.13-43,030.17-17,034.21

Finding the Fourth Proportional to 31,181.13, 43,030.17 and 17,034.21

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Solution

The fourth proportional to 31,181.13, 43,030.17 and 17,034.21 is: 23,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.13 : 43,030.17 = 17,034.21 : x
  2. Step 2: Convert to fraction form
    31,181.13/43,030.17 = 17,034.21/x
  3. Step 3: Cross multiply
    31,181.13x = 43,030.17 × 17,034.21
  4. Step 4: Simplify right side
    31,181.13x = 732,984,952.12
  5. Step 5: Solve for x
    x = 732,984,952.12/31,181.13
  6. Step 6: Final answer
    x = 23,507.32

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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.