Home / 53,403.25-80,110.36-20,151.30

Finding the Fourth Proportional to 53,403.25, 80,110.36 and 20,151.30

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Solution

The fourth proportional to 53,403.25, 80,110.36 and 20,151.30 is: 30,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.25 : 80,110.36 = 20,151.30 : x
  2. Step 2: Convert to fraction form
    53,403.25/80,110.36 = 20,151.30/x
  3. Step 3: Cross multiply
    53,403.25x = 80,110.36 × 20,151.30
  4. Step 4: Simplify right side
    53,403.25x = 1,614,327,897.47
  5. Step 5: Solve for x
    x = 1,614,327,897.47/53,403.25
  6. Step 6: Final answer
    x = 30,229.02

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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.