Home / 53,600.76-80,402.36-20,336.49

Finding the Fourth Proportional to 53,600.76, 80,402.36 and 20,336.49

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Solution

The fourth proportional to 53,600.76, 80,402.36 and 20,336.49 is: 30,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,600.76 : 80,402.36 = 20,336.49 : x
  2. Step 2: Convert to fraction form
    53,600.76/80,402.36 = 20,336.49/x
  3. Step 3: Cross multiply
    53,600.76x = 80,402.36 × 20,336.49
  4. Step 4: Simplify right side
    53,600.76x = 1,635,101,688.43
  5. Step 5: Solve for x
    x = 1,635,101,688.43/53,600.76
  6. Step 6: Final answer
    x = 30,505.20

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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.