Home / 51,623.49-71,239.05-28,960.59

Finding the Fourth Proportional to 51,623.49, 71,239.05 and 28,960.59

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Solution

The fourth proportional to 51,623.49, 71,239.05 and 28,960.59 is: 39,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,623.49 : 71,239.05 = 28,960.59 : x
  2. Step 2: Convert to fraction form
    51,623.49/71,239.05 = 28,960.59/x
  3. Step 3: Cross multiply
    51,623.49x = 71,239.05 × 28,960.59
  4. Step 4: Simplify right side
    51,623.49x = 2,063,124,919.04
  5. Step 5: Solve for x
    x = 2,063,124,919.04/51,623.49
  6. Step 6: Final answer
    x = 39,964.85

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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.