Home / 51,981.12-71,657.28-36,826.92

Finding the Fourth Proportional to 51,981.12, 71,657.28 and 36,826.92

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Solution

The fourth proportional to 51,981.12, 71,657.28 and 36,826.92 is: 50,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981.12 : 71,657.28 = 36,826.92 : x
  2. Step 2: Convert to fraction form
    51,981.12/71,657.28 = 36,826.92/x
  3. Step 3: Cross multiply
    51,981.12x = 71,657.28 × 36,826.92
  4. Step 4: Simplify right side
    51,981.12x = 2,638,916,917.98
  5. Step 5: Solve for x
    x = 2,638,916,917.98/51,981.12
  6. Step 6: Final answer
    x = 50,766.83

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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.