Home / 49,786.68-74,642.94-21,701.40

Finding the Fourth Proportional to 49,786.68, 74,642.94 and 21,701.40

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Solution

The fourth proportional to 49,786.68, 74,642.94 and 21,701.40 is: 32,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,786.68 : 74,642.94 = 21,701.40 : x
  2. Step 2: Convert to fraction form
    49,786.68/74,642.94 = 21,701.40/x
  3. Step 3: Cross multiply
    49,786.68x = 74,642.94 × 21,701.40
  4. Step 4: Simplify right side
    49,786.68x = 1,619,856,298.12
  5. Step 5: Solve for x
    x = 1,619,856,298.12/49,786.68
  6. Step 6: Final answer
    x = 32,535.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.