Home / 58,633.97-87,964.63-19,188.69

Finding the Fourth Proportional to 58,633.97, 87,964.63 and 19,188.69

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Solution

The fourth proportional to 58,633.97, 87,964.63 and 19,188.69 is: 28,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,633.97 : 87,964.63 = 19,188.69 : x
  2. Step 2: Convert to fraction form
    58,633.97/87,964.63 = 19,188.69/x
  3. Step 3: Cross multiply
    58,633.97x = 87,964.63 × 19,188.69
  4. Step 4: Simplify right side
    58,633.97x = 1,687,925,920.09
  5. Step 5: Solve for x
    x = 1,687,925,920.09/58,633.97
  6. Step 6: Final answer
    x = 28,787.51

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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.