Home / 47,901.64-66,104.25-27,770.20

Finding the Fourth Proportional to 47,901.64, 66,104.25 and 27,770.20

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Solution

The fourth proportional to 47,901.64, 66,104.25 and 27,770.20 is: 38,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,901.64 : 66,104.25 = 27,770.20 : x
  2. Step 2: Convert to fraction form
    47,901.64/66,104.25 = 27,770.20/x
  3. Step 3: Cross multiply
    47,901.64x = 66,104.25 × 27,770.20
  4. Step 4: Simplify right side
    47,901.64x = 1,835,728,243.35
  5. Step 5: Solve for x
    x = 1,835,728,243.35/47,901.64
  6. Step 6: Final answer
    x = 38,322.87

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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.