Home / 42,623.70-63,881.55-16,293.30

Finding the Fourth Proportional to 42,623.70, 63,881.55 and 16,293.30

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Solution

The fourth proportional to 42,623.70, 63,881.55 and 16,293.30 is: 24,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623.70 : 63,881.55 = 16,293.30 : x
  2. Step 2: Convert to fraction form
    42,623.70/63,881.55 = 16,293.30/x
  3. Step 3: Cross multiply
    42,623.70x = 63,881.55 × 16,293.30
  4. Step 4: Simplify right side
    42,623.70x = 1,040,841,258.62
  5. Step 5: Solve for x
    x = 1,040,841,258.62/42,623.70
  6. Step 6: Final answer
    x = 24,419.31

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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.