Home / 47,974.40-71,959.32-16,807.28

Finding the Fourth Proportional to 47,974.40, 71,959.32 and 16,807.28

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Solution

The fourth proportional to 47,974.40, 71,959.32 and 16,807.28 is: 25,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,974.40 : 71,959.32 = 16,807.28 : x
  2. Step 2: Convert to fraction form
    47,974.40/71,959.32 = 16,807.28/x
  3. Step 3: Cross multiply
    47,974.40x = 71,959.32 × 16,807.28
  4. Step 4: Simplify right side
    47,974.40x = 1,209,440,439.85
  5. Step 5: Solve for x
    x = 1,209,440,439.85/47,974.40
  6. Step 6: Final answer
    x = 25,210.12

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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.