Home / 36,308.02-50,105.10-20,393.50

Finding the Fourth Proportional to 36,308.02, 50,105.10 and 20,393.50

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Solution

The fourth proportional to 36,308.02, 50,105.10 and 20,393.50 is: 28,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,308.02 : 50,105.10 = 20,393.50 : x
  2. Step 2: Convert to fraction form
    36,308.02/50,105.10 = 20,393.50/x
  3. Step 3: Cross multiply
    36,308.02x = 50,105.10 × 20,393.50
  4. Step 4: Simplify right side
    36,308.02x = 1,021,818,356.85
  5. Step 5: Solve for x
    x = 1,021,818,356.85/36,308.02
  6. Step 6: Final answer
    x = 28,143.05

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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.