Home / 56,718.83-85,078.25-15,164.75

Finding the Fourth Proportional to 56,718.83, 85,078.25 and 15,164.75

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Solution

The fourth proportional to 56,718.83, 85,078.25 and 15,164.75 is: 22,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,718.83 : 85,078.25 = 15,164.75 : x
  2. Step 2: Convert to fraction form
    56,718.83/85,078.25 = 15,164.75/x
  3. Step 3: Cross multiply
    56,718.83x = 85,078.25 × 15,164.75
  4. Step 4: Simplify right side
    56,718.83x = 1,290,190,315.86
  5. Step 5: Solve for x
    x = 1,290,190,315.86/56,718.83
  6. Step 6: Final answer
    x = 22,747.13

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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.