Home / 58,633.30-87,959.29-21,189.58

Finding the Fourth Proportional to 58,633.30, 87,959.29 and 21,189.58

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Solution

The fourth proportional to 58,633.30, 87,959.29 and 21,189.58 is: 31,787.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,633.30 : 87,959.29 = 21,189.58 : x
  2. Step 2: Convert to fraction form
    58,633.30/87,959.29 = 21,189.58/x
  3. Step 3: Cross multiply
    58,633.30x = 87,959.29 × 21,189.58
  4. Step 4: Simplify right side
    58,633.30x = 1,863,820,412.20
  5. Step 5: Solve for x
    x = 1,863,820,412.20/58,633.30
  6. Step 6: Final answer
    x = 31,787.75

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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.