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Finding the Fourth Proportional to 35,491.20, 48,993.60 and 22,922.08

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Solution

The fourth proportional to 35,491.20, 48,993.60 and 22,922.08 is: 31,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.20 : 48,993.60 = 22,922.08 : x
  2. Step 2: Convert to fraction form
    35,491.20/48,993.60 = 22,922.08/x
  3. Step 3: Cross multiply
    35,491.20x = 48,993.60 × 22,922.08
  4. Step 4: Simplify right side
    35,491.20x = 1,123,035,218.69
  5. Step 5: Solve for x
    x = 1,123,035,218.69/35,491.20
  6. Step 6: Final answer
    x = 31,642.64

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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.