Home / 43,013.22-64,509.55-18,053.72

Finding the Fourth Proportional to 43,013.22, 64,509.55 and 18,053.72

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Solution

The fourth proportional to 43,013.22, 64,509.55 and 18,053.72 is: 27,076.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,013.22 : 64,509.55 = 18,053.72 : x
  2. Step 2: Convert to fraction form
    43,013.22/64,509.55 = 18,053.72/x
  3. Step 3: Cross multiply
    43,013.22x = 64,509.55 × 18,053.72
  4. Step 4: Simplify right side
    43,013.22x = 1,164,637,353.03
  5. Step 5: Solve for x
    x = 1,164,637,353.03/43,013.22
  6. Step 6: Final answer
    x = 27,076.27

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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.