Home / 40,251.76-55,511.02-25,145.80

Finding the Fourth Proportional to 40,251.76, 55,511.02 and 25,145.80

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Solution

The fourth proportional to 40,251.76, 55,511.02 and 25,145.80 is: 34,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,251.76 : 55,511.02 = 25,145.80 : x
  2. Step 2: Convert to fraction form
    40,251.76/55,511.02 = 25,145.80/x
  3. Step 3: Cross multiply
    40,251.76x = 55,511.02 × 25,145.80
  4. Step 4: Simplify right side
    40,251.76x = 1,395,869,006.72
  5. Step 5: Solve for x
    x = 1,395,869,006.72/40,251.76
  6. Step 6: Final answer
    x = 34,678.46

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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.