Home / 51,557.76-71,144.64-29,185.92

Finding the Fourth Proportional to 51,557.76, 71,144.64 and 29,185.92

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Solution

The fourth proportional to 51,557.76, 71,144.64 and 29,185.92 is: 40,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,557.76 : 71,144.64 = 29,185.92 : x
  2. Step 2: Convert to fraction form
    51,557.76/71,144.64 = 29,185.92/x
  3. Step 3: Cross multiply
    51,557.76x = 71,144.64 × 29,185.92
  4. Step 4: Simplify right side
    51,557.76x = 2,076,421,771.47
  5. Step 5: Solve for x
    x = 2,076,421,771.47/51,557.76
  6. Step 6: Final answer
    x = 40,273.70

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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.