Home / 42,432.20-63,716.30-33,739.40

Finding the Fourth Proportional to 42,432.20, 63,716.30 and 33,739.40

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Solution

The fourth proportional to 42,432.20, 63,716.30 and 33,739.40 is: 50,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,432.20 : 63,716.30 = 33,739.40 : x
  2. Step 2: Convert to fraction form
    42,432.20/63,716.30 = 33,739.40/x
  3. Step 3: Cross multiply
    42,432.20x = 63,716.30 × 33,739.40
  4. Step 4: Simplify right side
    42,432.20x = 2,149,749,732.22
  5. Step 5: Solve for x
    x = 2,149,749,732.22/42,432.20
  6. Step 6: Final answer
    x = 50,663.17

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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.