Home / 39,072.74-53,919.26-22,939.78

Finding the Fourth Proportional to 39,072.74, 53,919.26 and 22,939.78

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Solution

The fourth proportional to 39,072.74, 53,919.26 and 22,939.78 is: 31,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.74 : 53,919.26 = 22,939.78 : x
  2. Step 2: Convert to fraction form
    39,072.74/53,919.26 = 22,939.78/x
  3. Step 3: Cross multiply
    39,072.74x = 53,919.26 × 22,939.78
  4. Step 4: Simplify right side
    39,072.74x = 1,236,895,962.16
  5. Step 5: Solve for x
    x = 1,236,895,962.16/39,072.74
  6. Step 6: Final answer
    x = 31,656.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.