Home / 47,395.05-71,133.48-19,330.58

Finding the Fourth Proportional to 47,395.05, 71,133.48 and 19,330.58

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Solution

The fourth proportional to 47,395.05, 71,133.48 and 19,330.58 is: 29,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,395.05 : 71,133.48 = 19,330.58 : x
  2. Step 2: Convert to fraction form
    47,395.05/71,133.48 = 19,330.58/x
  3. Step 3: Cross multiply
    47,395.05x = 71,133.48 × 19,330.58
  4. Step 4: Simplify right side
    47,395.05x = 1,375,051,070.15
  5. Step 5: Solve for x
    x = 1,375,051,070.15/47,395.05
  6. Step 6: Final answer
    x = 29,012.55

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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.