Home / 39,721.23-59,582.03-13,426.11

Finding the Fourth Proportional to 39,721.23, 59,582.03 and 13,426.11

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Solution

The fourth proportional to 39,721.23, 59,582.03 and 13,426.11 is: 20,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.23 : 59,582.03 = 13,426.11 : x
  2. Step 2: Convert to fraction form
    39,721.23/59,582.03 = 13,426.11/x
  3. Step 3: Cross multiply
    39,721.23x = 59,582.03 × 13,426.11
  4. Step 4: Simplify right side
    39,721.23x = 799,954,821.67
  5. Step 5: Solve for x
    x = 799,954,821.67/39,721.23
  6. Step 6: Final answer
    x = 20,139.23

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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.