Home / 42,174.74-58,248.96-28,722.62

Finding the Fourth Proportional to 42,174.74, 58,248.96 and 28,722.62

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Solution

The fourth proportional to 42,174.74, 58,248.96 and 28,722.62 is: 39,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,174.74 : 58,248.96 = 28,722.62 : x
  2. Step 2: Convert to fraction form
    42,174.74/58,248.96 = 28,722.62/x
  3. Step 3: Cross multiply
    42,174.74x = 58,248.96 × 28,722.62
  4. Step 4: Simplify right side
    42,174.74x = 1,673,062,743.48
  5. Step 5: Solve for x
    x = 1,673,062,743.48/42,174.74
  6. Step 6: Final answer
    x = 39,669.78

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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.