Home / 42,539.11-63,837.25-17,579.12

Finding the Fourth Proportional to 42,539.11, 63,837.25 and 17,579.12

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Solution

The fourth proportional to 42,539.11, 63,837.25 and 17,579.12 is: 26,380.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.11 : 63,837.25 = 17,579.12 : x
  2. Step 2: Convert to fraction form
    42,539.11/63,837.25 = 17,579.12/x
  3. Step 3: Cross multiply
    42,539.11x = 63,837.25 × 17,579.12
  4. Step 4: Simplify right side
    42,539.11x = 1,122,202,849.81
  5. Step 5: Solve for x
    x = 1,122,202,849.81/42,539.11
  6. Step 6: Final answer
    x = 26,380.49

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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.