Home / 39,811.68-59,707.91-11,724.10

Finding the Fourth Proportional to 39,811.68, 59,707.91 and 11,724.10

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Solution

The fourth proportional to 39,811.68, 59,707.91 and 11,724.10 is: 17,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.68 : 59,707.91 = 11,724.10 : x
  2. Step 2: Convert to fraction form
    39,811.68/59,707.91 = 11,724.10/x
  3. Step 3: Cross multiply
    39,811.68x = 59,707.91 × 11,724.10
  4. Step 4: Simplify right side
    39,811.68x = 700,021,449.01
  5. Step 5: Solve for x
    x = 700,021,449.01/39,811.68
  6. Step 6: Final answer
    x = 17,583.32

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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.