Home / 42,650.20-63,921.30-16,319.80

Finding the Fourth Proportional to 42,650.20, 63,921.30 and 16,319.80

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Solution

The fourth proportional to 42,650.20, 63,921.30 and 16,319.80 is: 24,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,650.20 : 63,921.30 = 16,319.80 : x
  2. Step 2: Convert to fraction form
    42,650.20/63,921.30 = 16,319.80/x
  3. Step 3: Cross multiply
    42,650.20x = 63,921.30 × 16,319.80
  4. Step 4: Simplify right side
    42,650.20x = 1,043,182,831.74
  5. Step 5: Solve for x
    x = 1,043,182,831.74/42,650.20
  6. Step 6: Final answer
    x = 24,459.04

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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.