Home / 34,188.54-51,114.21-28,981.65

Finding the Fourth Proportional to 34,188.54, 51,114.21 and 28,981.65

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Solution

The fourth proportional to 34,188.54, 51,114.21 and 28,981.65 is: 43,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,188.54 : 51,114.21 = 28,981.65 : x
  2. Step 2: Convert to fraction form
    34,188.54/51,114.21 = 28,981.65/x
  3. Step 3: Cross multiply
    34,188.54x = 51,114.21 × 28,981.65
  4. Step 4: Simplify right side
    34,188.54x = 1,481,374,144.25
  5. Step 5: Solve for x
    x = 1,481,374,144.25/34,188.54
  6. Step 6: Final answer
    x = 43,329.55

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1.5x scale

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.