Home / 43,712.66-65,428-22,623.69

Finding the Fourth Proportional to 43,712.66, 65,428 and 22,623.69

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Solution

The fourth proportional to 43,712.66, 65,428 and 22,623.69 is: 33,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,712.66 : 65,428 = 22,623.69 : x
  2. Step 2: Convert to fraction form
    43,712.66/65,428 = 22,623.69/x
  3. Step 3: Cross multiply
    43,712.66x = 65,428 × 22,623.69
  4. Step 4: Simplify right side
    43,712.66x = 1,480,222,789.32
  5. Step 5: Solve for x
    x = 1,480,222,789.32/43,712.66
  6. Step 6: Final answer
    x = 33,862.56

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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.