Home / 43,126.86-59,495.40-31,171.26

Finding the Fourth Proportional to 43,126.86, 59,495.40 and 31,171.26

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Solution

The fourth proportional to 43,126.86, 59,495.40 and 31,171.26 is: 43,002.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,126.86 : 59,495.40 = 31,171.26 : x
  2. Step 2: Convert to fraction form
    43,126.86/59,495.40 = 31,171.26/x
  3. Step 3: Cross multiply
    43,126.86x = 59,495.40 × 31,171.26
  4. Step 4: Simplify right side
    43,126.86x = 1,854,546,582.20
  5. Step 5: Solve for x
    x = 1,854,546,582.20/43,126.86
  6. Step 6: Final answer
    x = 43,002.12

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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.