Home / 34,306.60-51,447.10-13,525.80

Finding the Fourth Proportional to 34,306.60, 51,447.10 and 13,525.80

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Solution

The fourth proportional to 34,306.60, 51,447.10 and 13,525.80 is: 20,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,306.60 : 51,447.10 = 13,525.80 : x
  2. Step 2: Convert to fraction form
    34,306.60/51,447.10 = 13,525.80/x
  3. Step 3: Cross multiply
    34,306.60x = 51,447.10 × 13,525.80
  4. Step 4: Simplify right side
    34,306.60x = 695,863,185.18
  5. Step 5: Solve for x
    x = 695,863,185.18/34,306.60
  6. Step 6: Final answer
    x = 20,283.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.