Home / 34,520.28-51,788.70-20,492.52

Finding the Fourth Proportional to 34,520.28, 51,788.70 and 20,492.52

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Solution

The fourth proportional to 34,520.28, 51,788.70 and 20,492.52 is: 30,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,520.28 : 51,788.70 = 20,492.52 : x
  2. Step 2: Convert to fraction form
    34,520.28/51,788.70 = 20,492.52/x
  3. Step 3: Cross multiply
    34,520.28x = 51,788.70 × 20,492.52
  4. Step 4: Simplify right side
    34,520.28x = 1,061,280,970.52
  5. Step 5: Solve for x
    x = 1,061,280,970.52/34,520.28
  6. Step 6: Final answer
    x = 30,743.70

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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.