Home / 62,268.16-93,418.56-20,715.52

Finding the Fourth Proportional to 62,268.16, 93,418.56 and 20,715.52

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Solution

The fourth proportional to 62,268.16, 93,418.56 and 20,715.52 is: 31,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,268.16 : 93,418.56 = 20,715.52 : x
  2. Step 2: Convert to fraction form
    62,268.16/93,418.56 = 20,715.52/x
  3. Step 3: Cross multiply
    62,268.16x = 93,418.56 × 20,715.52
  4. Step 4: Simplify right side
    62,268.16x = 1,935,214,048.05
  5. Step 5: Solve for x
    x = 1,935,214,048.05/62,268.16
  6. Step 6: Final answer
    x = 31,078.71

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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.