Home / 51,196.97-70,651.65-28,535.70

Finding the Fourth Proportional to 51,196.97, 70,651.65 and 28,535.70

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Solution

The fourth proportional to 51,196.97, 70,651.65 and 28,535.70 is: 39,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,196.97 : 70,651.65 = 28,535.70 : x
  2. Step 2: Convert to fraction form
    51,196.97/70,651.65 = 28,535.70/x
  3. Step 3: Cross multiply
    51,196.97x = 70,651.65 × 28,535.70
  4. Step 4: Simplify right side
    51,196.97x = 2,016,094,288.91
  5. Step 5: Solve for x
    x = 2,016,094,288.91/51,196.97
  6. Step 6: Final answer
    x = 39,379.18

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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.