Home / 42,431.38-63,647.07-14,729.38

Finding the Fourth Proportional to 42,431.38, 63,647.07 and 14,729.38

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Solution

The fourth proportional to 42,431.38, 63,647.07 and 14,729.38 is: 22,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,431.38 : 63,647.07 = 14,729.38 : x
  2. Step 2: Convert to fraction form
    42,431.38/63,647.07 = 14,729.38/x
  3. Step 3: Cross multiply
    42,431.38x = 63,647.07 × 14,729.38
  4. Step 4: Simplify right side
    42,431.38x = 937,481,488.03
  5. Step 5: Solve for x
    x = 937,481,488.03/42,431.38
  6. Step 6: Final answer
    x = 22,094.06

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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.