Home / 27,036.59-40,558.73-8,318.18

Finding the Fourth Proportional to 27,036.59, 40,558.73 and 8,318.18

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Solution

The fourth proportional to 27,036.59, 40,558.73 and 8,318.18 is: 12,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.59 : 40,558.73 = 8,318.18 : x
  2. Step 2: Convert to fraction form
    27,036.59/40,558.73 = 8,318.18/x
  3. Step 3: Cross multiply
    27,036.59x = 40,558.73 × 8,318.18
  4. Step 4: Simplify right side
    27,036.59x = 337,374,572.33
  5. Step 5: Solve for x
    x = 337,374,572.33/27,036.59
  6. Step 6: Final answer
    x = 12,478.45

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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.