Home / 61,530.26-84,872.36-38,829.20

Finding the Fourth Proportional to 61,530.26, 84,872.36 and 38,829.20

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Solution

The fourth proportional to 61,530.26, 84,872.36 and 38,829.20 is: 53,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,530.26 : 84,872.36 = 38,829.20 : x
  2. Step 2: Convert to fraction form
    61,530.26/84,872.36 = 38,829.20/x
  3. Step 3: Cross multiply
    61,530.26x = 84,872.36 × 38,829.20
  4. Step 4: Simplify right side
    61,530.26x = 3,295,526,150.17
  5. Step 5: Solve for x
    x = 3,295,526,150.17/61,530.26
  6. Step 6: Final answer
    x = 53,559.44

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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.