Home / 52,266.59-78,395.26-18,986.94

Finding the Fourth Proportional to 52,266.59, 78,395.26 and 18,986.94

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Solution

The fourth proportional to 52,266.59, 78,395.26 and 18,986.94 is: 28,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,266.59 : 78,395.26 = 18,986.94 : x
  2. Step 2: Convert to fraction form
    52,266.59/78,395.26 = 18,986.94/x
  3. Step 3: Cross multiply
    52,266.59x = 78,395.26 × 18,986.94
  4. Step 4: Simplify right side
    52,266.59x = 1,488,486,097.90
  5. Step 5: Solve for x
    x = 1,488,486,097.90/52,266.59
  6. Step 6: Final answer
    x = 28,478.73

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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.