Home / 42,258.49-63,405.51-18,553.84

Finding the Fourth Proportional to 42,258.49, 63,405.51 and 18,553.84

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Solution

The fourth proportional to 42,258.49, 63,405.51 and 18,553.84 is: 27,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,258.49 : 63,405.51 = 18,553.84 : x
  2. Step 2: Convert to fraction form
    42,258.49/63,405.51 = 18,553.84/x
  3. Step 3: Cross multiply
    42,258.49x = 63,405.51 × 18,553.84
  4. Step 4: Simplify right side
    42,258.49x = 1,176,415,687.66
  5. Step 5: Solve for x
    x = 1,176,415,687.66/42,258.49
  6. Step 6: Final answer
    x = 27,838.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.