Home / 34,132.80-51,199.20-31,281.60

Finding the Fourth Proportional to 34,132.80, 51,199.20 and 31,281.60

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Solution

The fourth proportional to 34,132.80, 51,199.20 and 31,281.60 is: 46,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,132.80 : 51,199.20 = 31,281.60 : x
  2. Step 2: Convert to fraction form
    34,132.80/51,199.20 = 31,281.60/x
  3. Step 3: Cross multiply
    34,132.80x = 51,199.20 × 31,281.60
  4. Step 4: Simplify right side
    34,132.80x = 1,601,592,894.72
  5. Step 5: Solve for x
    x = 1,601,592,894.72/34,132.80
  6. Step 6: Final answer
    x = 46,922.40

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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.