Home / 47,913.32-66,120.37-27,781.92

Finding the Fourth Proportional to 47,913.32, 66,120.37 and 27,781.92

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Solution

The fourth proportional to 47,913.32, 66,120.37 and 27,781.92 is: 38,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,913.32 : 66,120.37 = 27,781.92 : x
  2. Step 2: Convert to fraction form
    47,913.32/66,120.37 = 27,781.92/x
  3. Step 3: Cross multiply
    47,913.32x = 66,120.37 × 27,781.92
  4. Step 4: Simplify right side
    47,913.32x = 1,836,950,760.26
  5. Step 5: Solve for x
    x = 1,836,950,760.26/47,913.32
  6. Step 6: Final answer
    x = 38,339.04

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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.