Home / 42,375.96-63,561.12-17,409.54

Finding the Fourth Proportional to 42,375.96, 63,561.12 and 17,409.54

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Solution

The fourth proportional to 42,375.96, 63,561.12 and 17,409.54 is: 26,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375.96 : 63,561.12 = 17,409.54 : x
  2. Step 2: Convert to fraction form
    42,375.96/63,561.12 = 17,409.54/x
  3. Step 3: Cross multiply
    42,375.96x = 63,561.12 × 17,409.54
  4. Step 4: Simplify right side
    42,375.96x = 1,106,569,861.08
  5. Step 5: Solve for x
    x = 1,106,569,861.08/42,375.96
  6. Step 6: Final answer
    x = 26,113.15

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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.