Home / 30,313.42-41,851.68-22,341.76

Finding the Fourth Proportional to 30,313.42, 41,851.68 and 22,341.76

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Solution

The fourth proportional to 30,313.42, 41,851.68 and 22,341.76 is: 30,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313.42 : 41,851.68 = 22,341.76 : x
  2. Step 2: Convert to fraction form
    30,313.42/41,851.68 = 22,341.76/x
  3. Step 3: Cross multiply
    30,313.42x = 41,851.68 × 22,341.76
  4. Step 4: Simplify right side
    30,313.42x = 935,040,190.16
  5. Step 5: Solve for x
    x = 935,040,190.16/30,313.42
  6. Step 6: Final answer
    x = 30,845.75

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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.