Home / 53,402.25-80,108.86-20,150.30

Finding the Fourth Proportional to 53,402.25, 80,108.86 and 20,150.30

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Solution

The fourth proportional to 53,402.25, 80,108.86 and 20,150.30 is: 30,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,402.25 : 80,108.86 = 20,150.30 : x
  2. Step 2: Convert to fraction form
    53,402.25/80,108.86 = 20,150.30/x
  3. Step 3: Cross multiply
    53,402.25x = 80,108.86 × 20,150.30
  4. Step 4: Simplify right side
    53,402.25x = 1,614,217,561.66
  5. Step 5: Solve for x
    x = 1,614,217,561.66/53,402.25
  6. Step 6: Final answer
    x = 30,227.52

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1.5x scale

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.