Home / 39,084.17-53,935.97-21,179.19

Finding the Fourth Proportional to 39,084.17, 53,935.97 and 21,179.19

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Solution

The fourth proportional to 39,084.17, 53,935.97 and 21,179.19 is: 29,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,084.17 : 53,935.97 = 21,179.19 : x
  2. Step 2: Convert to fraction form
    39,084.17/53,935.97 = 21,179.19/x
  3. Step 3: Cross multiply
    39,084.17x = 53,935.97 × 21,179.19
  4. Step 4: Simplify right side
    39,084.17x = 1,142,320,050.57
  5. Step 5: Solve for x
    x = 1,142,320,050.57/39,084.17
  6. Step 6: Final answer
    x = 29,227.18

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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.