Home / 56,585.45-84,888.61-18,636.95

Finding the Fourth Proportional to 56,585.45, 84,888.61 and 18,636.95

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Solution

The fourth proportional to 56,585.45, 84,888.61 and 18,636.95 is: 27,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,585.45 : 84,888.61 = 18,636.95 : x
  2. Step 2: Convert to fraction form
    56,585.45/84,888.61 = 18,636.95/x
  3. Step 3: Cross multiply
    56,585.45x = 84,888.61 × 18,636.95
  4. Step 4: Simplify right side
    56,585.45x = 1,582,064,945.77
  5. Step 5: Solve for x
    x = 1,582,064,945.77/56,585.45
  6. Step 6: Final answer
    x = 27,958.86

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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.