Home / 43,128.84-64,727.90-22,358.28

Finding the Fourth Proportional to 43,128.84, 64,727.90 and 22,358.28

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Solution

The fourth proportional to 43,128.84, 64,727.90 and 22,358.28 is: 33,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128.84 : 64,727.90 = 22,358.28 : x
  2. Step 2: Convert to fraction form
    43,128.84/64,727.90 = 22,358.28/x
  3. Step 3: Cross multiply
    43,128.84x = 64,727.90 × 22,358.28
  4. Step 4: Simplify right side
    43,128.84x = 1,447,204,512.01
  5. Step 5: Solve for x
    x = 1,447,204,512.01/43,128.84
  6. Step 6: Final answer
    x = 33,555.38

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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.