Home / 37,659.20-56,451.60-21,027.20

Finding the Fourth Proportional to 37,659.20, 56,451.60 and 21,027.20

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Solution

The fourth proportional to 37,659.20, 56,451.60 and 21,027.20 is: 31,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,659.20 : 56,451.60 = 21,027.20 : x
  2. Step 2: Convert to fraction form
    37,659.20/56,451.60 = 21,027.20/x
  3. Step 3: Cross multiply
    37,659.20x = 56,451.60 × 21,027.20
  4. Step 4: Simplify right side
    37,659.20x = 1,187,019,083.52
  5. Step 5: Solve for x
    x = 1,187,019,083.52/37,659.20
  6. Step 6: Final answer
    x = 31,520.03

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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.