Home / 36,314.72-50,117.00-20,400.11

Finding the Fourth Proportional to 36,314.72, 50,117.00 and 20,400.11

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Solution

The fourth proportional to 36,314.72, 50,117.00 and 20,400.11 is: 28,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,314.72 : 50,117.00 = 20,400.11 : x
  2. Step 2: Convert to fraction form
    36,314.72/50,117.00 = 20,400.11/x
  3. Step 3: Cross multiply
    36,314.72x = 50,117.00 × 20,400.11
  4. Step 4: Simplify right side
    36,314.72x = 1,022,391,960.28
  5. Step 5: Solve for x
    x = 1,022,391,960.28/36,314.72
  6. Step 6: Final answer
    x = 28,153.66

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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.