Home / 49,330.81-74,024.43-20,865.52

Finding the Fourth Proportional to 49,330.81, 74,024.43 and 20,865.52

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Solution

The fourth proportional to 49,330.81, 74,024.43 and 20,865.52 is: 31,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,330.81 : 74,024.43 = 20,865.52 : x
  2. Step 2: Convert to fraction form
    49,330.81/74,024.43 = 20,865.52/x
  3. Step 3: Cross multiply
    49,330.81x = 74,024.43 × 20,865.52
  4. Step 4: Simplify right side
    49,330.81x = 1,544,558,224.65
  5. Step 5: Solve for x
    x = 1,544,558,224.65/49,330.81
  6. Step 6: Final answer
    x = 31,310.21

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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.