Home / 49,329.81-74,022.93-20,864.52

Finding the Fourth Proportional to 49,329.81, 74,022.93 and 20,864.52

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Solution

The fourth proportional to 49,329.81, 74,022.93 and 20,864.52 is: 31,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,329.81 : 74,022.93 = 20,864.52 : x
  2. Step 2: Convert to fraction form
    49,329.81/74,022.93 = 20,864.52/x
  3. Step 3: Cross multiply
    49,329.81x = 74,022.93 × 20,864.52
  4. Step 4: Simplify right side
    49,329.81x = 1,544,452,903.44
  5. Step 5: Solve for x
    x = 1,544,452,903.44/49,329.81
  6. Step 6: Final answer
    x = 31,308.71

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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.