Home / 40,219.50-55,502.92-22,317.42

Finding the Fourth Proportional to 40,219.50, 55,502.92 and 22,317.42

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Solution

The fourth proportional to 40,219.50, 55,502.92 and 22,317.42 is: 30,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,219.50 : 55,502.92 = 22,317.42 : x
  2. Step 2: Convert to fraction form
    40,219.50/55,502.92 = 22,317.42/x
  3. Step 3: Cross multiply
    40,219.50x = 55,502.92 × 22,317.42
  4. Step 4: Simplify right side
    40,219.50x = 1,238,681,976.87
  5. Step 5: Solve for x
    x = 1,238,681,976.87/40,219.50
  6. Step 6: Final answer
    x = 30,798.05

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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.