Home / 50,161.77-69,230.29-31,047.67

Finding the Fourth Proportional to 50,161.77, 69,230.29 and 31,047.67

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Solution

The fourth proportional to 50,161.77, 69,230.29 and 31,047.67 is: 42,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,161.77 : 69,230.29 = 31,047.67 : x
  2. Step 2: Convert to fraction form
    50,161.77/69,230.29 = 31,047.67/x
  3. Step 3: Cross multiply
    50,161.77x = 69,230.29 × 31,047.67
  4. Step 4: Simplify right side
    50,161.77x = 2,149,439,197.92
  5. Step 5: Solve for x
    x = 2,149,439,197.92/50,161.77
  6. Step 6: Final answer
    x = 42,850.15

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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.