Home / 74,748.27-112,122.81-19,344.27

Finding the Fourth Proportional to 74,748.27, 112,122.81 and 19,344.27

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Solution

The fourth proportional to 74,748.27, 112,122.81 and 19,344.27 is: 29,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.27 : 112,122.81 = 19,344.27 : x
  2. Step 2: Convert to fraction form
    74,748.27/112,122.81 = 19,344.27/x
  3. Step 3: Cross multiply
    74,748.27x = 112,122.81 × 19,344.27
  4. Step 4: Simplify right side
    74,748.27x = 2,168,933,909.80
  5. Step 5: Solve for x
    x = 2,168,933,909.80/74,748.27
  6. Step 6: Final answer
    x = 29,016.51

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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.