Home / 34,734.96-47,934.18-18,819.47

Finding the Fourth Proportional to 34,734.96, 47,934.18 and 18,819.47

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Solution

The fourth proportional to 34,734.96, 47,934.18 and 18,819.47 is: 25,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,734.96 : 47,934.18 = 18,819.47 : x
  2. Step 2: Convert to fraction form
    34,734.96/47,934.18 = 18,819.47/x
  3. Step 3: Cross multiply
    34,734.96x = 47,934.18 × 18,819.47
  4. Step 4: Simplify right side
    34,734.96x = 902,095,622.81
  5. Step 5: Solve for x
    x = 902,095,622.81/34,734.96
  6. Step 6: Final answer
    x = 25,970.83

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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.