Home / 34,763.28-47,972.88-18,847.68

Finding the Fourth Proportional to 34,763.28, 47,972.88 and 18,847.68

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Solution

The fourth proportional to 34,763.28, 47,972.88 and 18,847.68 is: 26,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,763.28 : 47,972.88 = 18,847.68 : x
  2. Step 2: Convert to fraction form
    34,763.28/47,972.88 = 18,847.68/x
  3. Step 3: Cross multiply
    34,763.28x = 47,972.88 × 18,847.68
  4. Step 4: Simplify right side
    34,763.28x = 904,177,490.92
  5. Step 5: Solve for x
    x = 904,177,490.92/34,763.28
  6. Step 6: Final answer
    x = 26,009.56

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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.