Home / 39,913.68-55,081.24-22,009.32

Finding the Fourth Proportional to 39,913.68, 55,081.24 and 22,009.32

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Solution

The fourth proportional to 39,913.68, 55,081.24 and 22,009.32 is: 30,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.68 : 55,081.24 = 22,009.32 : x
  2. Step 2: Convert to fraction form
    39,913.68/55,081.24 = 22,009.32/x
  3. Step 3: Cross multiply
    39,913.68x = 55,081.24 × 22,009.32
  4. Step 4: Simplify right side
    39,913.68x = 1,212,300,637.16
  5. Step 5: Solve for x
    x = 1,212,300,637.16/39,913.68
  6. Step 6: Final answer
    x = 30,373.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.