Home / 52,958.81-79,438.15-13,515.93

Finding the Fourth Proportional to 52,958.81, 79,438.15 and 13,515.93

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Solution

The fourth proportional to 52,958.81, 79,438.15 and 13,515.93 is: 20,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,958.81 : 79,438.15 = 13,515.93 : x
  2. Step 2: Convert to fraction form
    52,958.81/79,438.15 = 13,515.93/x
  3. Step 3: Cross multiply
    52,958.81x = 79,438.15 × 13,515.93
  4. Step 4: Simplify right side
    52,958.81x = 1,073,680,491.62
  5. Step 5: Solve for x
    x = 1,073,680,491.62/52,958.81
  6. Step 6: Final answer
    x = 20,273.88

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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.