Home / 52,842.38-79,263.72-13,399.52

Finding the Fourth Proportional to 52,842.38, 79,263.72 and 13,399.52

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Solution

The fourth proportional to 52,842.38, 79,263.72 and 13,399.52 is: 20,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,842.38 : 79,263.72 = 13,399.52 : x
  2. Step 2: Convert to fraction form
    52,842.38/79,263.72 = 13,399.52/x
  3. Step 3: Cross multiply
    52,842.38x = 79,263.72 × 13,399.52
  4. Step 4: Simplify right side
    52,842.38x = 1,062,095,801.41
  5. Step 5: Solve for x
    x = 1,062,095,801.41/52,842.38
  6. Step 6: Final answer
    x = 20,099.32

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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.