Home / 45,559.74-68,342.88-13,965.69

Finding the Fourth Proportional to 45,559.74, 68,342.88 and 13,965.69

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Solution

The fourth proportional to 45,559.74, 68,342.88 and 13,965.69 is: 20,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,559.74 : 68,342.88 = 13,965.69 : x
  2. Step 2: Convert to fraction form
    45,559.74/68,342.88 = 13,965.69/x
  3. Step 3: Cross multiply
    45,559.74x = 68,342.88 × 13,965.69
  4. Step 4: Simplify right side
    45,559.74x = 954,455,475.79
  5. Step 5: Solve for x
    x = 954,455,475.79/45,559.74
  6. Step 6: Final answer
    x = 20,949.54

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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.