Home / 42,212.96-58,228.50-27,872.92

Finding the Fourth Proportional to 42,212.96, 58,228.50 and 27,872.92

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Solution

The fourth proportional to 42,212.96, 58,228.50 and 27,872.92 is: 38,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,212.96 : 58,228.50 = 27,872.92 : x
  2. Step 2: Convert to fraction form
    42,212.96/58,228.50 = 27,872.92/x
  3. Step 3: Cross multiply
    42,212.96x = 58,228.50 × 27,872.92
  4. Step 4: Simplify right side
    42,212.96x = 1,622,998,322.22
  5. Step 5: Solve for x
    x = 1,622,998,322.22/42,212.96
  6. Step 6: Final answer
    x = 38,447.87

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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.