Home / 41,280.78-61,921.17-16,639.50

Finding the Fourth Proportional to 41,280.78, 61,921.17 and 16,639.50

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Solution

The fourth proportional to 41,280.78, 61,921.17 and 16,639.50 is: 24,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,280.78 : 61,921.17 = 16,639.50 : x
  2. Step 2: Convert to fraction form
    41,280.78/61,921.17 = 16,639.50/x
  3. Step 3: Cross multiply
    41,280.78x = 61,921.17 × 16,639.50
  4. Step 4: Simplify right side
    41,280.78x = 1,030,337,308.22
  5. Step 5: Solve for x
    x = 1,030,337,308.22/41,280.78
  6. Step 6: Final answer
    x = 24,959.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.