Home / 55,354.08-76,388.40-30,203.52

Finding the Fourth Proportional to 55,354.08, 76,388.40 and 30,203.52

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Solution

The fourth proportional to 55,354.08, 76,388.40 and 30,203.52 is: 41,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,354.08 : 76,388.40 = 30,203.52 : x
  2. Step 2: Convert to fraction form
    55,354.08/76,388.40 = 30,203.52/x
  3. Step 3: Cross multiply
    55,354.08x = 76,388.40 × 30,203.52
  4. Step 4: Simplify right side
    55,354.08x = 2,307,198,567.17
  5. Step 5: Solve for x
    x = 2,307,198,567.17/55,354.08
  6. Step 6: Final answer
    x = 41,680.73

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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.