Home / 40,005.15-55,202.64-22,095.68

Finding the Fourth Proportional to 40,005.15, 55,202.64 and 22,095.68

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Solution

The fourth proportional to 40,005.15, 55,202.64 and 22,095.68 is: 30,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,005.15 : 55,202.64 = 22,095.68 : x
  2. Step 2: Convert to fraction form
    40,005.15/55,202.64 = 22,095.68/x
  3. Step 3: Cross multiply
    40,005.15x = 55,202.64 × 22,095.68
  4. Step 4: Simplify right side
    40,005.15x = 1,219,739,592.58
  5. Step 5: Solve for x
    x = 1,219,739,592.58/40,005.15
  6. Step 6: Final answer
    x = 30,489.56

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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.