Home / 35,624.39-49,177.41-21,289.28

Finding the Fourth Proportional to 35,624.39, 49,177.41 and 21,289.28

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Solution

The fourth proportional to 35,624.39, 49,177.41 and 21,289.28 is: 29,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,624.39 : 49,177.41 = 21,289.28 : x
  2. Step 2: Convert to fraction form
    35,624.39/49,177.41 = 21,289.28/x
  3. Step 3: Cross multiply
    35,624.39x = 49,177.41 × 21,289.28
  4. Step 4: Simplify right side
    35,624.39x = 1,046,951,651.16
  5. Step 5: Solve for x
    x = 1,046,951,651.16/35,624.39
  6. Step 6: Final answer
    x = 29,388.62

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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.