Home / 42,505.36-63,765.78-14,043.94

Finding the Fourth Proportional to 42,505.36, 63,765.78 and 14,043.94

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Solution

The fourth proportional to 42,505.36, 63,765.78 and 14,043.94 is: 21,068.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,505.36 : 63,765.78 = 14,043.94 : x
  2. Step 2: Convert to fraction form
    42,505.36/63,765.78 = 14,043.94/x
  3. Step 3: Cross multiply
    42,505.36x = 63,765.78 × 14,043.94
  4. Step 4: Simplify right side
    42,505.36x = 895,522,788.37
  5. Step 5: Solve for x
    x = 895,522,788.37/42,505.36
  6. Step 6: Final answer
    x = 21,068.47

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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.