Home / 42,208.72-63,322.44-15,913.70

Finding the Fourth Proportional to 42,208.72, 63,322.44 and 15,913.70

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Solution

The fourth proportional to 42,208.72, 63,322.44 and 15,913.70 is: 23,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,208.72 : 63,322.44 = 15,913.70 : x
  2. Step 2: Convert to fraction form
    42,208.72/63,322.44 = 15,913.70/x
  3. Step 3: Cross multiply
    42,208.72x = 63,322.44 × 15,913.70
  4. Step 4: Simplify right side
    42,208.72x = 1,007,694,313.43
  5. Step 5: Solve for x
    x = 1,007,694,313.43/42,208.72
  6. Step 6: Final answer
    x = 23,874.08

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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.