Home / 52,958.28-79,437.37-13,515.40

Finding the Fourth Proportional to 52,958.28, 79,437.37 and 13,515.40

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Solution

The fourth proportional to 52,958.28, 79,437.37 and 13,515.40 is: 20,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,958.28 : 79,437.37 = 13,515.40 : x
  2. Step 2: Convert to fraction form
    52,958.28/79,437.37 = 13,515.40/x
  3. Step 3: Cross multiply
    52,958.28x = 79,437.37 × 13,515.40
  4. Step 4: Simplify right side
    52,958.28x = 1,073,627,830.50
  5. Step 5: Solve for x
    x = 1,073,627,830.50/52,958.28
  6. Step 6: Final answer
    x = 20,273.09

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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.