Home / 54,834.48-82,216.08-21,557.79

Finding the Fourth Proportional to 54,834.48, 82,216.08 and 21,557.79

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Solution

The fourth proportional to 54,834.48, 82,216.08 and 21,557.79 is: 32,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,834.48 : 82,216.08 = 21,557.79 : x
  2. Step 2: Convert to fraction form
    54,834.48/82,216.08 = 21,557.79/x
  3. Step 3: Cross multiply
    54,834.48x = 82,216.08 × 21,557.79
  4. Step 4: Simplify right side
    54,834.48x = 1,772,396,987.26
  5. Step 5: Solve for x
    x = 1,772,396,987.26/54,834.48
  6. Step 6: Final answer
    x = 32,322.67

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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.