Home / 31,211.18-43,071.60-17,064.04

Finding the Fourth Proportional to 31,211.18, 43,071.60 and 17,064.04

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Solution

The fourth proportional to 31,211.18, 43,071.60 and 17,064.04 is: 23,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.18 : 43,071.60 = 17,064.04 : x
  2. Step 2: Convert to fraction form
    31,211.18/43,071.60 = 17,064.04/x
  3. Step 3: Cross multiply
    31,211.18x = 43,071.60 × 17,064.04
  4. Step 4: Simplify right side
    31,211.18x = 734,975,505.26
  5. Step 5: Solve for x
    x = 734,975,505.26/31,211.18
  6. Step 6: Final answer
    x = 23,548.47

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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.