Home / 35,557.92-49,072.80-19,643.76

Finding the Fourth Proportional to 35,557.92, 49,072.80 and 19,643.76

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Solution

The fourth proportional to 35,557.92, 49,072.80 and 19,643.76 is: 27,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,557.92 : 49,072.80 = 19,643.76 : x
  2. Step 2: Convert to fraction form
    35,557.92/49,072.80 = 19,643.76/x
  3. Step 3: Cross multiply
    35,557.92x = 49,072.80 × 19,643.76
  4. Step 4: Simplify right side
    35,557.92x = 963,974,305.73
  5. Step 5: Solve for x
    x = 963,974,305.73/35,557.92
  6. Step 6: Final answer
    x = 27,109.97

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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.