Home / 42,651.21-63,974.51-13,069.14

Finding the Fourth Proportional to 42,651.21, 63,974.51 and 13,069.14

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Solution

The fourth proportional to 42,651.21, 63,974.51 and 13,069.14 is: 19,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,651.21 : 63,974.51 = 13,069.14 : x
  2. Step 2: Convert to fraction form
    42,651.21/63,974.51 = 13,069.14/x
  3. Step 3: Cross multiply
    42,651.21x = 63,974.51 × 13,069.14
  4. Step 4: Simplify right side
    42,651.21x = 836,091,507.75
  5. Step 5: Solve for x
    x = 836,091,507.75/42,651.21
  6. Step 6: Final answer
    x = 19,603.00

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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.