Home / 47,864.77-71,797.18-21,538.76

Finding the Fourth Proportional to 47,864.77, 71,797.18 and 21,538.76

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Solution

The fourth proportional to 47,864.77, 71,797.18 and 21,538.76 is: 32,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,864.77 : 71,797.18 = 21,538.76 : x
  2. Step 2: Convert to fraction form
    47,864.77/71,797.18 = 21,538.76/x
  3. Step 3: Cross multiply
    47,864.77x = 71,797.18 × 21,538.76
  4. Step 4: Simplify right side
    47,864.77x = 1,546,422,121.00
  5. Step 5: Solve for x
    x = 1,546,422,121.00/47,864.77
  6. Step 6: Final answer
    x = 32,308.15

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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.