Home / 42,833.97-64,243.94-11,671.65

Finding the Fourth Proportional to 42,833.97, 64,243.94 and 11,671.65

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Solution

The fourth proportional to 42,833.97, 64,243.94 and 11,671.65 is: 17,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,833.97 : 64,243.94 = 11,671.65 : x
  2. Step 2: Convert to fraction form
    42,833.97/64,243.94 = 11,671.65/x
  3. Step 3: Cross multiply
    42,833.97x = 64,243.94 × 11,671.65
  4. Step 4: Simplify right side
    42,833.97x = 749,832,723.94
  5. Step 5: Solve for x
    x = 749,832,723.94/42,833.97
  6. Step 6: Final answer
    x = 17,505.56

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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.