Home / 42,427.07-63,648.41-13,965.62

Finding the Fourth Proportional to 42,427.07, 63,648.41 and 13,965.62

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Solution

The fourth proportional to 42,427.07, 63,648.41 and 13,965.62 is: 20,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,427.07 : 63,648.41 = 13,965.62 : x
  2. Step 2: Convert to fraction form
    42,427.07/63,648.41 = 13,965.62/x
  3. Step 3: Cross multiply
    42,427.07x = 63,648.41 × 13,965.62
  4. Step 4: Simplify right side
    42,427.07x = 888,889,507.66
  5. Step 5: Solve for x
    x = 888,889,507.66/42,427.07
  6. Step 6: Final answer
    x = 20,951.00

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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.