Home / 51,623.17-71,238.85-28,961.75

Finding the Fourth Proportional to 51,623.17, 71,238.85 and 28,961.75

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Solution

The fourth proportional to 51,623.17, 71,238.85 and 28,961.75 is: 39,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,623.17 : 71,238.85 = 28,961.75 : x
  2. Step 2: Convert to fraction form
    51,623.17/71,238.85 = 28,961.75/x
  3. Step 3: Cross multiply
    51,623.17x = 71,238.85 × 28,961.75
  4. Step 4: Simplify right side
    51,623.17x = 2,063,201,869.68
  5. Step 5: Solve for x
    x = 2,063,201,869.68/51,623.17
  6. Step 6: Final answer
    x = 39,966.59

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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.