Home / 31,412.21-43,349.18-17,072.04

Finding the Fourth Proportional to 31,412.21, 43,349.18 and 17,072.04

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Solution

The fourth proportional to 31,412.21, 43,349.18 and 17,072.04 is: 23,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.21 : 43,349.18 = 17,072.04 : x
  2. Step 2: Convert to fraction form
    31,412.21/43,349.18 = 17,072.04/x
  3. Step 3: Cross multiply
    31,412.21x = 43,349.18 × 17,072.04
  4. Step 4: Simplify right side
    31,412.21x = 740,058,694.38
  5. Step 5: Solve for x
    x = 740,058,694.38/31,412.21
  6. Step 6: Final answer
    x = 23,559.59

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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.