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Finding the Fourth Proportional to 43,417.19, 65,234.79 and 27,629.10

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Solution

The fourth proportional to 43,417.19, 65,234.79 and 27,629.10 is: 41,513.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,417.19 : 65,234.79 = 27,629.10 : x
  2. Step 2: Convert to fraction form
    43,417.19/65,234.79 = 27,629.10/x
  3. Step 3: Cross multiply
    43,417.19x = 65,234.79 × 27,629.10
  4. Step 4: Simplify right side
    43,417.19x = 1,802,378,614.10
  5. Step 5: Solve for x
    x = 1,802,378,614.10/43,417.19
  6. Step 6: Final answer
    x = 41,513.02

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1.5x scale

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.