Home / 56,639.75-84,959.90-15,086.75

Finding the Fourth Proportional to 56,639.75, 84,959.90 and 15,086.75

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Solution

The fourth proportional to 56,639.75, 84,959.90 and 15,086.75 is: 22,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,639.75 : 84,959.90 = 15,086.75 : x
  2. Step 2: Convert to fraction form
    56,639.75/84,959.90 = 15,086.75/x
  3. Step 3: Cross multiply
    56,639.75x = 84,959.90 × 15,086.75
  4. Step 4: Simplify right side
    56,639.75x = 1,281,768,771.33
  5. Step 5: Solve for x
    x = 1,281,768,771.33/56,639.75
  6. Step 6: Final answer
    x = 22,630.20

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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.