Home / 42,220.93-63,313.85-15,568.43

Finding the Fourth Proportional to 42,220.93, 63,313.85 and 15,568.43

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Solution

The fourth proportional to 42,220.93, 63,313.85 and 15,568.43 is: 23,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.93 : 63,313.85 = 15,568.43 : x
  2. Step 2: Convert to fraction form
    42,220.93/63,313.85 = 15,568.43/x
  3. Step 3: Cross multiply
    42,220.93x = 63,313.85 × 15,568.43
  4. Step 4: Simplify right side
    42,220.93x = 985,697,241.76
  5. Step 5: Solve for x
    x = 985,697,241.76/42,220.93
  6. Step 6: Final answer
    x = 23,346.18

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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.