Home / 49,508.19-74,281.73-21,786.75

Finding the Fourth Proportional to 49,508.19, 74,281.73 and 21,786.75

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Solution

The fourth proportional to 49,508.19, 74,281.73 and 21,786.75 is: 32,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,508.19 : 74,281.73 = 21,786.75 : x
  2. Step 2: Convert to fraction form
    49,508.19/74,281.73 = 21,786.75/x
  3. Step 3: Cross multiply
    49,508.19x = 74,281.73 × 21,786.75
  4. Step 4: Simplify right side
    49,508.19x = 1,618,357,372.14
  5. Step 5: Solve for x
    x = 1,618,357,372.14/49,508.19
  6. Step 6: Final answer
    x = 32,688.68

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1.5x scale

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.