Home / 34,397.64-47,464.52-20,247.75

Finding the Fourth Proportional to 34,397.64, 47,464.52 and 20,247.75

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Solution

The fourth proportional to 34,397.64, 47,464.52 and 20,247.75 is: 27,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,397.64 : 47,464.52 = 20,247.75 : x
  2. Step 2: Convert to fraction form
    34,397.64/47,464.52 = 20,247.75/x
  3. Step 3: Cross multiply
    34,397.64x = 47,464.52 × 20,247.75
  4. Step 4: Simplify right side
    34,397.64x = 961,049,633.59
  5. Step 5: Solve for x
    x = 961,049,633.59/34,397.64
  6. Step 6: Final answer
    x = 27,939.41

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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.