Home / 34,689.52-47,871.62-18,774.12

Finding the Fourth Proportional to 34,689.52, 47,871.62 and 18,774.12

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Solution

The fourth proportional to 34,689.52, 47,871.62 and 18,774.12 is: 25,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.52 : 47,871.62 = 18,774.12 : x
  2. Step 2: Convert to fraction form
    34,689.52/47,871.62 = 18,774.12/x
  3. Step 3: Cross multiply
    34,689.52x = 47,871.62 × 18,774.12
  4. Step 4: Simplify right side
    34,689.52x = 898,747,538.47
  5. Step 5: Solve for x
    x = 898,747,538.47/34,689.52
  6. Step 6: Final answer
    x = 25,908.33

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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.