Home / 47,814.80-71,754.60-31,134.20

Finding the Fourth Proportional to 47,814.80, 71,754.60 and 31,134.20

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Solution

The fourth proportional to 47,814.80, 71,754.60 and 31,134.20 is: 46,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,814.80 : 71,754.60 = 31,134.20 : x
  2. Step 2: Convert to fraction form
    47,814.80/71,754.60 = 31,134.20/x
  3. Step 3: Cross multiply
    47,814.80x = 71,754.60 × 31,134.20
  4. Step 4: Simplify right side
    47,814.80x = 2,234,022,067.32
  5. Step 5: Solve for x
    x = 2,234,022,067.32/47,814.80
  6. Step 6: Final answer
    x = 46,722.40

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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.