Home / 49,404.28-74,053.32-21,337.60

Finding the Fourth Proportional to 49,404.28, 74,053.32 and 21,337.60

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Solution

The fourth proportional to 49,404.28, 74,053.32 and 21,337.60 is: 31,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,404.28 : 74,053.32 = 21,337.60 : x
  2. Step 2: Convert to fraction form
    49,404.28/74,053.32 = 21,337.60/x
  3. Step 3: Cross multiply
    49,404.28x = 74,053.32 × 21,337.60
  4. Step 4: Simplify right side
    49,404.28x = 1,580,120,120.83
  5. Step 5: Solve for x
    x = 1,580,120,120.83/49,404.28
  6. Step 6: Final answer
    x = 31,983.47

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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.