Home / 33,487.31-46,215.32-18,382.53

Finding the Fourth Proportional to 33,487.31, 46,215.32 and 18,382.53

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Solution

The fourth proportional to 33,487.31, 46,215.32 and 18,382.53 is: 25,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,487.31 : 46,215.32 = 18,382.53 : x
  2. Step 2: Convert to fraction form
    33,487.31/46,215.32 = 18,382.53/x
  3. Step 3: Cross multiply
    33,487.31x = 46,215.32 × 18,382.53
  4. Step 4: Simplify right side
    33,487.31x = 849,554,414.45
  5. Step 5: Solve for x
    x = 849,554,414.45/33,487.31
  6. Step 6: Final answer
    x = 25,369.45

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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.