Home / 56,587.45-84,891.61-18,638.95

Finding the Fourth Proportional to 56,587.45, 84,891.61 and 18,638.95

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Solution

The fourth proportional to 56,587.45, 84,891.61 and 18,638.95 is: 27,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,587.45 : 84,891.61 = 18,638.95 : x
  2. Step 2: Convert to fraction form
    56,587.45/84,891.61 = 18,638.95/x
  3. Step 3: Cross multiply
    56,587.45x = 84,891.61 × 18,638.95
  4. Step 4: Simplify right side
    56,587.45x = 1,582,290,474.21
  5. Step 5: Solve for x
    x = 1,582,290,474.21/56,587.45
  6. Step 6: Final answer
    x = 27,961.86

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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.