Home / 35,724.94-49,299.96-19,809.70

Finding the Fourth Proportional to 35,724.94, 49,299.96 and 19,809.70

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Solution

The fourth proportional to 35,724.94, 49,299.96 and 19,809.70 is: 27,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,724.94 : 49,299.96 = 19,809.70 : x
  2. Step 2: Convert to fraction form
    35,724.94/49,299.96 = 19,809.70/x
  3. Step 3: Cross multiply
    35,724.94x = 49,299.96 × 19,809.70
  4. Step 4: Simplify right side
    35,724.94x = 976,617,417.61
  5. Step 5: Solve for x
    x = 976,617,417.61/35,724.94
  6. Step 6: Final answer
    x = 27,337.13

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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.