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Finding the Fourth Proportional to 58,576, 80,849.46 and 33,440.08

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Solution

The fourth proportional to 58,576, 80,849.46 and 33,440.08 is: 46,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,576 : 80,849.46 = 33,440.08 : x
  2. Step 2: Convert to fraction form
    58,576/80,849.46 = 33,440.08/x
  3. Step 3: Cross multiply
    58,576x = 80,849.46 × 33,440.08
  4. Step 4: Simplify right side
    58,576x = 2,703,612,410.36
  5. Step 5: Solve for x
    x = 2,703,612,410.36/58,576
  6. Step 6: Final answer
    x = 46,155.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.