Home / 35,990.05-49,664.01-19,857.55

Finding the Fourth Proportional to 35,990.05, 49,664.01 and 19,857.55

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Solution

The fourth proportional to 35,990.05, 49,664.01 and 19,857.55 is: 27,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.05 : 49,664.01 = 19,857.55 : x
  2. Step 2: Convert to fraction form
    35,990.05/49,664.01 = 19,857.55/x
  3. Step 3: Cross multiply
    35,990.05x = 49,664.01 × 19,857.55
  4. Step 4: Simplify right side
    35,990.05x = 986,205,313.46
  5. Step 5: Solve for x
    x = 986,205,313.46/35,990.05
  6. Step 6: Final answer
    x = 27,402.17

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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.