Home / 39,638.22-59,420.07-13,324.56

Finding the Fourth Proportional to 39,638.22, 59,420.07 and 13,324.56

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Solution

The fourth proportional to 39,638.22, 59,420.07 and 13,324.56 is: 19,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.22 : 59,420.07 = 13,324.56 : x
  2. Step 2: Convert to fraction form
    39,638.22/59,420.07 = 13,324.56/x
  3. Step 3: Cross multiply
    39,638.22x = 59,420.07 × 13,324.56
  4. Step 4: Simplify right side
    39,638.22x = 791,746,287.92
  5. Step 5: Solve for x
    x = 791,746,287.92/39,638.22
  6. Step 6: Final answer
    x = 19,974.31

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1.5x scale

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.