Home / 42,406.20-63,633.60-16,129.80

Finding the Fourth Proportional to 42,406.20, 63,633.60 and 16,129.80

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Solution

The fourth proportional to 42,406.20, 63,633.60 and 16,129.80 is: 24,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,406.20 : 63,633.60 = 16,129.80 : x
  2. Step 2: Convert to fraction form
    42,406.20/63,633.60 = 16,129.80/x
  3. Step 3: Cross multiply
    42,406.20x = 63,633.60 × 16,129.80
  4. Step 4: Simplify right side
    42,406.20x = 1,026,397,241.28
  5. Step 5: Solve for x
    x = 1,026,397,241.28/42,406.20
  6. Step 6: Final answer
    x = 24,203.94

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1.5x scale

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.