Home / 36,420.15-50,260.74-20,505.17

Finding the Fourth Proportional to 36,420.15, 50,260.74 and 20,505.17

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Solution

The fourth proportional to 36,420.15, 50,260.74 and 20,505.17 is: 28,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,420.15 : 50,260.74 = 20,505.17 : x
  2. Step 2: Convert to fraction form
    36,420.15/50,260.74 = 20,505.17/x
  3. Step 3: Cross multiply
    36,420.15x = 50,260.74 × 20,505.17
  4. Step 4: Simplify right side
    36,420.15x = 1,030,605,018.03
  5. Step 5: Solve for x
    x = 1,030,605,018.03/36,420.15
  6. Step 6: Final answer
    x = 28,297.66

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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.