Home / 51,964.16-77,949.02-16,422.78

Finding the Fourth Proportional to 51,964.16, 77,949.02 and 16,422.78

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Solution

The fourth proportional to 51,964.16, 77,949.02 and 16,422.78 is: 24,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,964.16 : 77,949.02 = 16,422.78 : x
  2. Step 2: Convert to fraction form
    51,964.16/77,949.02 = 16,422.78/x
  3. Step 3: Cross multiply
    51,964.16x = 77,949.02 × 16,422.78
  4. Step 4: Simplify right side
    51,964.16x = 1,280,139,285.23
  5. Step 5: Solve for x
    x = 1,280,139,285.23/51,964.16
  6. Step 6: Final answer
    x = 24,635.04

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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.