Home / 39,040.68-58,424.94-31,938.60

Finding the Fourth Proportional to 39,040.68, 58,424.94 and 31,938.60

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Solution

The fourth proportional to 39,040.68, 58,424.94 and 31,938.60 is: 47,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040.68 : 58,424.94 = 31,938.60 : x
  2. Step 2: Convert to fraction form
    39,040.68/58,424.94 = 31,938.60/x
  3. Step 3: Cross multiply
    39,040.68x = 58,424.94 × 31,938.60
  4. Step 4: Simplify right side
    39,040.68x = 1,866,010,788.68
  5. Step 5: Solve for x
    x = 1,866,010,788.68/39,040.68
  6. Step 6: Final answer
    x = 47,796.57

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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.