Home / 33,349.80-46,028.88-21,428.04

Finding the Fourth Proportional to 33,349.80, 46,028.88 and 21,428.04

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Solution

The fourth proportional to 33,349.80, 46,028.88 and 21,428.04 is: 29,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,349.80 : 46,028.88 = 21,428.04 : x
  2. Step 2: Convert to fraction form
    33,349.80/46,028.88 = 21,428.04/x
  3. Step 3: Cross multiply
    33,349.80x = 46,028.88 × 21,428.04
  4. Step 4: Simplify right side
    33,349.80x = 986,308,681.80
  5. Step 5: Solve for x
    x = 986,308,681.80/33,349.80
  6. Step 6: Final answer
    x = 29,574.65

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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.