Home / 51,823.61-71,520.20-29,164.77

Finding the Fourth Proportional to 51,823.61, 71,520.20 and 29,164.77

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Solution

The fourth proportional to 51,823.61, 71,520.20 and 29,164.77 is: 40,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,823.61 : 71,520.20 = 29,164.77 : x
  2. Step 2: Convert to fraction form
    51,823.61/71,520.20 = 29,164.77/x
  3. Step 3: Cross multiply
    51,823.61x = 71,520.20 × 29,164.77
  4. Step 4: Simplify right side
    51,823.61x = 2,085,870,037.53
  5. Step 5: Solve for x
    x = 2,085,870,037.53/51,823.61
  6. Step 6: Final answer
    x = 40,249.42

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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.