Home / 36,333.68-50,140.02-20,420.82

Finding the Fourth Proportional to 36,333.68, 50,140.02 and 20,420.82

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Solution

The fourth proportional to 36,333.68, 50,140.02 and 20,420.82 is: 28,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,333.68 : 50,140.02 = 20,420.82 : x
  2. Step 2: Convert to fraction form
    36,333.68/50,140.02 = 20,420.82/x
  3. Step 3: Cross multiply
    36,333.68x = 50,140.02 × 20,420.82
  4. Step 4: Simplify right side
    36,333.68x = 1,023,900,323.22
  5. Step 5: Solve for x
    x = 1,023,900,323.22/36,333.68
  6. Step 6: Final answer
    x = 28,180.48

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1.5x scale

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.