Home / 48,043.91-72,068.49-19,966.79

Finding the Fourth Proportional to 48,043.91, 72,068.49 and 19,966.79

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Solution

The fourth proportional to 48,043.91, 72,068.49 and 19,966.79 is: 29,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,043.91 : 72,068.49 = 19,966.79 : x
  2. Step 2: Convert to fraction form
    48,043.91/72,068.49 = 19,966.79/x
  3. Step 3: Cross multiply
    48,043.91x = 72,068.49 × 19,966.79
  4. Step 4: Simplify right side
    48,043.91x = 1,438,976,045.10
  5. Step 5: Solve for x
    x = 1,438,976,045.10/48,043.91
  6. Step 6: Final answer
    x = 29,951.27

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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.