Home / 39,040-53,860.50-25,618.66

Finding the Fourth Proportional to 39,040, 53,860.50 and 25,618.66

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Solution

The fourth proportional to 39,040, 53,860.50 and 25,618.66 is: 35,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040 : 53,860.50 = 25,618.66 : x
  2. Step 2: Convert to fraction form
    39,040/53,860.50 = 25,618.66/x
  3. Step 3: Cross multiply
    39,040x = 53,860.50 × 25,618.66
  4. Step 4: Simplify right side
    39,040x = 1,379,833,836.93
  5. Step 5: Solve for x
    x = 1,379,833,836.93/39,040
  6. Step 6: Final answer
    x = 35,344.10

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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.