Home / 43,291.14-64,943.54-18,331.33

Finding the Fourth Proportional to 43,291.14, 64,943.54 and 18,331.33

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Solution

The fourth proportional to 43,291.14, 64,943.54 and 18,331.33 is: 27,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,291.14 : 64,943.54 = 18,331.33 : x
  2. Step 2: Convert to fraction form
    43,291.14/64,943.54 = 18,331.33/x
  3. Step 3: Cross multiply
    43,291.14x = 64,943.54 × 18,331.33
  4. Step 4: Simplify right side
    43,291.14x = 1,190,501,463.11
  5. Step 5: Solve for x
    x = 1,190,501,463.11/43,291.14
  6. Step 6: Final answer
    x = 27,499.89

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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.