Home / 53,362.52-80,031.60-20,086.08

Finding the Fourth Proportional to 53,362.52, 80,031.60 and 20,086.08

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Solution

The fourth proportional to 53,362.52, 80,031.60 and 20,086.08 is: 30,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,362.52 : 80,031.60 = 20,086.08 : x
  2. Step 2: Convert to fraction form
    53,362.52/80,031.60 = 20,086.08/x
  3. Step 3: Cross multiply
    53,362.52x = 80,031.60 × 20,086.08
  4. Step 4: Simplify right side
    53,362.52x = 1,607,521,120.13
  5. Step 5: Solve for x
    x = 1,607,521,120.13/53,362.52
  6. Step 6: Final answer
    x = 30,124.54

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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.