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Finding the Fourth Proportional to 51,152.56, 76,774.56 and 26,209.60

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Solution

The fourth proportional to 51,152.56, 76,774.56 and 26,209.60 is: 39,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,152.56 : 76,774.56 = 26,209.60 : x
  2. Step 2: Convert to fraction form
    51,152.56/76,774.56 = 26,209.60/x
  3. Step 3: Cross multiply
    51,152.56x = 76,774.56 × 26,209.60
  4. Step 4: Simplify right side
    51,152.56x = 2,012,230,507.78
  5. Step 5: Solve for x
    x = 2,012,230,507.78/51,152.56
  6. Step 6: Final answer
    x = 39,337.83

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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.