Home / 34,911.20-48,182.40-19,807.61

Finding the Fourth Proportional to 34,911.20, 48,182.40 and 19,807.61

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Solution

The fourth proportional to 34,911.20, 48,182.40 and 19,807.61 is: 27,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,911.20 : 48,182.40 = 19,807.61 : x
  2. Step 2: Convert to fraction form
    34,911.20/48,182.40 = 19,807.61/x
  3. Step 3: Cross multiply
    34,911.20x = 48,182.40 × 19,807.61
  4. Step 4: Simplify right side
    34,911.20x = 954,377,947.15
  5. Step 5: Solve for x
    x = 954,377,947.15/34,911.20
  6. Step 6: Final answer
    x = 27,337.30

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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.