Home / 34,751.20-52,121.40-9,788.80

Finding the Fourth Proportional to 34,751.20, 52,121.40 and 9,788.80

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Solution

The fourth proportional to 34,751.20, 52,121.40 and 9,788.80 is: 14,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,751.20 : 52,121.40 = 9,788.80 : x
  2. Step 2: Convert to fraction form
    34,751.20/52,121.40 = 9,788.80/x
  3. Step 3: Cross multiply
    34,751.20x = 52,121.40 × 9,788.80
  4. Step 4: Simplify right side
    34,751.20x = 510,205,960.32
  5. Step 5: Solve for x
    x = 510,205,960.32/34,751.20
  6. Step 6: Final answer
    x = 14,681.68

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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.