Home / 31,395.07-43,325.49-17,248.21

Finding the Fourth Proportional to 31,395.07, 43,325.49 and 17,248.21

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Solution

The fourth proportional to 31,395.07, 43,325.49 and 17,248.21 is: 23,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.07 : 43,325.49 = 17,248.21 : x
  2. Step 2: Convert to fraction form
    31,395.07/43,325.49 = 17,248.21/x
  3. Step 3: Cross multiply
    31,395.07x = 43,325.49 × 17,248.21
  4. Step 4: Simplify right side
    31,395.07x = 747,287,149.87
  5. Step 5: Solve for x
    x = 747,287,149.87/31,395.07
  6. Step 6: Final answer
    x = 23,802.69

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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.