Home / 40,218.48-55,507.23-23,219.32

Finding the Fourth Proportional to 40,218.48, 55,507.23 and 23,219.32

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Solution

The fourth proportional to 40,218.48, 55,507.23 and 23,219.32 is: 32,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218.48 : 55,507.23 = 23,219.32 : x
  2. Step 2: Convert to fraction form
    40,218.48/55,507.23 = 23,219.32/x
  3. Step 3: Cross multiply
    40,218.48x = 55,507.23 × 23,219.32
  4. Step 4: Simplify right side
    40,218.48x = 1,288,840,135.68
  5. Step 5: Solve for x
    x = 1,288,840,135.68/40,218.48
  6. Step 6: Final answer
    x = 32,045.97

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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.