Home / 69,215.44-95,518.20-40,920.88

Finding the Fourth Proportional to 69,215.44, 95,518.20 and 40,920.88

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Solution

The fourth proportional to 69,215.44, 95,518.20 and 40,920.88 is: 56,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,215.44 : 95,518.20 = 40,920.88 : x
  2. Step 2: Convert to fraction form
    69,215.44/95,518.20 = 40,920.88/x
  3. Step 3: Cross multiply
    69,215.44x = 95,518.20 × 40,920.88
  4. Step 4: Simplify right side
    69,215.44x = 3,908,688,800.02
  5. Step 5: Solve for x
    x = 3,908,688,800.02/69,215.44
  6. Step 6: Final answer
    x = 56,471.34

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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.