Home / 53,730.30-74,144.42-29,855.55

Finding the Fourth Proportional to 53,730.30, 74,144.42 and 29,855.55

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Solution

The fourth proportional to 53,730.30, 74,144.42 and 29,855.55 is: 41,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.30 : 74,144.42 = 29,855.55 : x
  2. Step 2: Convert to fraction form
    53,730.30/74,144.42 = 29,855.55/x
  3. Step 3: Cross multiply
    53,730.30x = 74,144.42 × 29,855.55
  4. Step 4: Simplify right side
    53,730.30x = 2,213,622,679.25
  5. Step 5: Solve for x
    x = 2,213,622,679.25/53,730.30
  6. Step 6: Final answer
    x = 41,198.77

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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.