Home / 31,834.56-43,932.80-17,688

Finding the Fourth Proportional to 31,834.56, 43,932.80 and 17,688

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Solution

The fourth proportional to 31,834.56, 43,932.80 and 17,688 is: 24,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,834.56 : 43,932.80 = 17,688 : x
  2. Step 2: Convert to fraction form
    31,834.56/43,932.80 = 17,688/x
  3. Step 3: Cross multiply
    31,834.56x = 43,932.80 × 17,688
  4. Step 4: Simplify right side
    31,834.56x = 777,083,366.40
  5. Step 5: Solve for x
    x = 777,083,366.40/31,834.56
  6. Step 6: Final answer
    x = 24,410.06

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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.