Home / 35,637.05-49,177.91-19,722.17

Finding the Fourth Proportional to 35,637.05, 49,177.91 and 19,722.17

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Solution

The fourth proportional to 35,637.05, 49,177.91 and 19,722.17 is: 27,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,637.05 : 49,177.91 = 19,722.17 : x
  2. Step 2: Convert to fraction form
    35,637.05/49,177.91 = 19,722.17/x
  3. Step 3: Cross multiply
    35,637.05x = 49,177.91 × 19,722.17
  4. Step 4: Simplify right side
    35,637.05x = 969,894,756.76
  5. Step 5: Solve for x
    x = 969,894,756.76/35,637.05
  6. Step 6: Final answer
    x = 27,215.91

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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.