Home / 51,838.98-71,540.12-29,185.76

Finding the Fourth Proportional to 51,838.98, 71,540.12 and 29,185.76

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Solution

The fourth proportional to 51,838.98, 71,540.12 and 29,185.76 is: 40,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,838.98 : 71,540.12 = 29,185.76 : x
  2. Step 2: Convert to fraction form
    51,838.98/71,540.12 = 29,185.76/x
  3. Step 3: Cross multiply
    51,838.98x = 71,540.12 × 29,185.76
  4. Step 4: Simplify right side
    51,838.98x = 2,087,952,772.69
  5. Step 5: Solve for x
    x = 2,087,952,772.69/51,838.98
  6. Step 6: Final answer
    x = 40,277.66

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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.