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Finding the Fourth Proportional to 35,464.40, 53,110.20 and 16,974.80

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Solution

The fourth proportional to 35,464.40, 53,110.20 and 16,974.80 is: 25,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,464.40 : 53,110.20 = 16,974.80 : x
  2. Step 2: Convert to fraction form
    35,464.40/53,110.20 = 16,974.80/x
  3. Step 3: Cross multiply
    35,464.40x = 53,110.20 × 16,974.80
  4. Step 4: Simplify right side
    35,464.40x = 901,535,022.96
  5. Step 5: Solve for x
    x = 901,535,022.96/35,464.40
  6. Step 6: Final answer
    x = 25,420.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.