Home / 42,338.97-63,511.56-14,258.88

Finding the Fourth Proportional to 42,338.97, 63,511.56 and 14,258.88

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Solution

The fourth proportional to 42,338.97, 63,511.56 and 14,258.88 is: 21,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,338.97 : 63,511.56 = 14,258.88 : x
  2. Step 2: Convert to fraction form
    42,338.97/63,511.56 = 14,258.88/x
  3. Step 3: Cross multiply
    42,338.97x = 63,511.56 × 14,258.88
  4. Step 4: Simplify right side
    42,338.97x = 905,603,712.65
  5. Step 5: Solve for x
    x = 905,603,712.65/42,338.97
  6. Step 6: Final answer
    x = 21,389.37

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1.5x scale

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.