Home / 75,555.28-113,336.96-19,395.90

Finding the Fourth Proportional to 75,555.28, 113,336.96 and 19,395.90

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Solution

The fourth proportional to 75,555.28, 113,336.96 and 19,395.90 is: 29,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,555.28 : 113,336.96 = 19,395.90 : x
  2. Step 2: Convert to fraction form
    75,555.28/113,336.96 = 19,395.90/x
  3. Step 3: Cross multiply
    75,555.28x = 113,336.96 × 19,395.90
  4. Step 4: Simplify right side
    75,555.28x = 2,198,272,342.46
  5. Step 5: Solve for x
    x = 2,198,272,342.46/75,555.28
  6. Step 6: Final answer
    x = 29,094.89

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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.