Home / 81,782.32-122,673.90-24,856.76

Finding the Fourth Proportional to 81,782.32, 122,673.90 and 24,856.76

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Solution

The fourth proportional to 81,782.32, 122,673.90 and 24,856.76 is: 37,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,782.32 : 122,673.90 = 24,856.76 : x
  2. Step 2: Convert to fraction form
    81,782.32/122,673.90 = 24,856.76/x
  3. Step 3: Cross multiply
    81,782.32x = 122,673.90 × 24,856.76
  4. Step 4: Simplify right side
    81,782.32x = 3,049,275,690.56
  5. Step 5: Solve for x
    x = 3,049,275,690.56/81,782.32
  6. Step 6: Final answer
    x = 37,285.27

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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.