Home / 31,389.22-43,316.27-17,242.07

Finding the Fourth Proportional to 31,389.22, 43,316.27 and 17,242.07

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Solution

The fourth proportional to 31,389.22, 43,316.27 and 17,242.07 is: 23,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,389.22 : 43,316.27 = 17,242.07 : x
  2. Step 2: Convert to fraction form
    31,389.22/43,316.27 = 17,242.07/x
  3. Step 3: Cross multiply
    31,389.22x = 43,316.27 × 17,242.07
  4. Step 4: Simplify right side
    31,389.22x = 746,861,921.34
  5. Step 5: Solve for x
    x = 746,861,921.34/31,389.22
  6. Step 6: Final answer
    x = 23,793.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.