Home / 35,635.52-49,177.46-19,721.45

Finding the Fourth Proportional to 35,635.52, 49,177.46 and 19,721.45

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Solution

The fourth proportional to 35,635.52, 49,177.46 and 19,721.45 is: 27,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635.52 : 49,177.46 = 19,721.45 : x
  2. Step 2: Convert to fraction form
    35,635.52/49,177.46 = 19,721.45/x
  3. Step 3: Cross multiply
    35,635.52x = 49,177.46 × 19,721.45
  4. Step 4: Simplify right side
    35,635.52x = 969,850,818.52
  5. Step 5: Solve for x
    x = 969,850,818.52/35,635.52
  6. Step 6: Final answer
    x = 27,215.85

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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.