Home / 34,293.12-51,439.32-10,921.56

Finding the Fourth Proportional to 34,293.12, 51,439.32 and 10,921.56

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Solution

The fourth proportional to 34,293.12, 51,439.32 and 10,921.56 is: 16,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,293.12 : 51,439.32 = 10,921.56 : x
  2. Step 2: Convert to fraction form
    34,293.12/51,439.32 = 10,921.56/x
  3. Step 3: Cross multiply
    34,293.12x = 51,439.32 × 10,921.56
  4. Step 4: Simplify right side
    34,293.12x = 561,797,619.74
  5. Step 5: Solve for x
    x = 561,797,619.74/34,293.12
  6. Step 6: Final answer
    x = 16,382.23

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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.