Home / 51,522.78-71,102.34-28,861.59

Finding the Fourth Proportional to 51,522.78, 71,102.34 and 28,861.59

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Solution

The fourth proportional to 51,522.78, 71,102.34 and 28,861.59 is: 39,829.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,522.78 : 71,102.34 = 28,861.59 : x
  2. Step 2: Convert to fraction form
    51,522.78/71,102.34 = 28,861.59/x
  3. Step 3: Cross multiply
    51,522.78x = 71,102.34 × 28,861.59
  4. Step 4: Simplify right side
    51,522.78x = 2,052,126,585.12
  5. Step 5: Solve for x
    x = 2,052,126,585.12/51,522.78
  6. Step 6: Final answer
    x = 39,829.50

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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.