Home / 51,153.38-70,591.88-29,928.55

Finding the Fourth Proportional to 51,153.38, 70,591.88 and 29,928.55

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Solution

The fourth proportional to 51,153.38, 70,591.88 and 29,928.55 is: 41,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,153.38 : 70,591.88 = 29,928.55 : x
  2. Step 2: Convert to fraction form
    51,153.38/70,591.88 = 29,928.55/x
  3. Step 3: Cross multiply
    51,153.38x = 70,591.88 × 29,928.55
  4. Step 4: Simplify right side
    51,153.38x = 2,112,712,107.57
  5. Step 5: Solve for x
    x = 2,112,712,107.57/51,153.38
  6. Step 6: Final answer
    x = 41,301.52

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1.5x scale

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.