Home / 29,033.12-43,544.64-12,402.56

Finding the Fourth Proportional to 29,033.12, 43,544.64 and 12,402.56

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Solution

The fourth proportional to 29,033.12, 43,544.64 and 12,402.56 is: 18,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,033.12 : 43,544.64 = 12,402.56 : x
  2. Step 2: Convert to fraction form
    29,033.12/43,544.64 = 12,402.56/x
  3. Step 3: Cross multiply
    29,033.12x = 43,544.64 × 12,402.56
  4. Step 4: Simplify right side
    29,033.12x = 540,065,010.28
  5. Step 5: Solve for x
    x = 540,065,010.28/29,033.12
  6. Step 6: Final answer
    x = 18,601.69

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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.