Home / 39,615.54-59,386.02-13,301.82

Finding the Fourth Proportional to 39,615.54, 59,386.02 and 13,301.82

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Solution

The fourth proportional to 39,615.54, 59,386.02 and 13,301.82 is: 19,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.54 : 59,386.02 = 13,301.82 : x
  2. Step 2: Convert to fraction form
    39,615.54/59,386.02 = 13,301.82/x
  3. Step 3: Cross multiply
    39,615.54x = 59,386.02 × 13,301.82
  4. Step 4: Simplify right side
    39,615.54x = 789,942,148.56
  5. Step 5: Solve for x
    x = 789,942,148.56/39,615.54
  6. Step 6: Final answer
    x = 19,940.21

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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.