Home / 40,905.70-61,322.55-27,715.30

Finding the Fourth Proportional to 40,905.70, 61,322.55 and 27,715.30

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Solution

The fourth proportional to 40,905.70, 61,322.55 and 27,715.30 is: 41,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.70 : 61,322.55 = 27,715.30 : x
  2. Step 2: Convert to fraction form
    40,905.70/61,322.55 = 27,715.30/x
  3. Step 3: Cross multiply
    40,905.70x = 61,322.55 × 27,715.30
  4. Step 4: Simplify right side
    40,905.70x = 1,699,572,870.02
  5. Step 5: Solve for x
    x = 1,699,572,870.02/40,905.70
  6. Step 6: Final answer
    x = 41,548.56

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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.