Home / 34,689.60-47,871.36-18,773.88

Finding the Fourth Proportional to 34,689.60, 47,871.36 and 18,773.88

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Solution

The fourth proportional to 34,689.60, 47,871.36 and 18,773.88 is: 25,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.60 : 47,871.36 = 18,773.88 : x
  2. Step 2: Convert to fraction form
    34,689.60/47,871.36 = 18,773.88/x
  3. Step 3: Cross multiply
    34,689.60x = 47,871.36 × 18,773.88
  4. Step 4: Simplify right side
    34,689.60x = 898,731,168.08
  5. Step 5: Solve for x
    x = 898,731,168.08/34,689.60
  6. Step 6: Final answer
    x = 25,907.80

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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.