Home / 42,140.64-58,146.48-27,228

Finding the Fourth Proportional to 42,140.64, 58,146.48 and 27,228

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Solution

The fourth proportional to 42,140.64, 58,146.48 and 27,228 is: 37,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,140.64 : 58,146.48 = 27,228 : x
  2. Step 2: Convert to fraction form
    42,140.64/58,146.48 = 27,228/x
  3. Step 3: Cross multiply
    42,140.64x = 58,146.48 × 27,228
  4. Step 4: Simplify right side
    42,140.64x = 1,583,212,357.44
  5. Step 5: Solve for x
    x = 1,583,212,357.44/42,140.64
  6. Step 6: Final answer
    x = 37,569.73

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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.