Home / 56,586.45-84,890.11-18,637.95

Finding the Fourth Proportional to 56,586.45, 84,890.11 and 18,637.95

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Solution

The fourth proportional to 56,586.45, 84,890.11 and 18,637.95 is: 27,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,586.45 : 84,890.11 = 18,637.95 : x
  2. Step 2: Convert to fraction form
    56,586.45/84,890.11 = 18,637.95/x
  3. Step 3: Cross multiply
    56,586.45x = 84,890.11 × 18,637.95
  4. Step 4: Simplify right side
    56,586.45x = 1,582,177,625.67
  5. Step 5: Solve for x
    x = 1,582,177,625.67/56,586.45
  6. Step 6: Final answer
    x = 27,960.36

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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.