Home / 43,121.22-64,677.28-11,534.47

Finding the Fourth Proportional to 43,121.22, 64,677.28 and 11,534.47

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Solution

The fourth proportional to 43,121.22, 64,677.28 and 11,534.47 is: 17,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121.22 : 64,677.28 = 11,534.47 : x
  2. Step 2: Convert to fraction form
    43,121.22/64,677.28 = 11,534.47/x
  3. Step 3: Cross multiply
    43,121.22x = 64,677.28 × 11,534.47
  4. Step 4: Simplify right side
    43,121.22x = 746,018,211.16
  5. Step 5: Solve for x
    x = 746,018,211.16/43,121.22
  6. Step 6: Final answer
    x = 17,300.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.