Home / 34,839.51-48,078.78-18,923.97

Finding the Fourth Proportional to 34,839.51, 48,078.78 and 18,923.97

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Solution

The fourth proportional to 34,839.51, 48,078.78 and 18,923.97 is: 26,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,839.51 : 48,078.78 = 18,923.97 : x
  2. Step 2: Convert to fraction form
    34,839.51/48,078.78 = 18,923.97/x
  3. Step 3: Cross multiply
    34,839.51x = 48,078.78 × 18,923.97
  4. Step 4: Simplify right side
    34,839.51x = 909,841,390.36
  5. Step 5: Solve for x
    x = 909,841,390.36/34,839.51
  6. Step 6: Final answer
    x = 26,115.22

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1.5x scale

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.