Home / 31,442.61-43,389.93-17,295.48

Finding the Fourth Proportional to 31,442.61, 43,389.93 and 17,295.48

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Solution

The fourth proportional to 31,442.61, 43,389.93 and 17,295.48 is: 23,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.61 : 43,389.93 = 17,295.48 : x
  2. Step 2: Convert to fraction form
    31,442.61/43,389.93 = 17,295.48/x
  3. Step 3: Cross multiply
    31,442.61x = 43,389.93 × 17,295.48
  4. Step 4: Simplify right side
    31,442.61x = 750,449,666.52
  5. Step 5: Solve for x
    x = 750,449,666.52/31,442.61
  6. Step 6: Final answer
    x = 23,867.28

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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.