Home / 42,426.97-63,648.64-16,129.66

Finding the Fourth Proportional to 42,426.97, 63,648.64 and 16,129.66

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Solution

The fourth proportional to 42,426.97, 63,648.64 and 16,129.66 is: 24,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,426.97 : 63,648.64 = 16,129.66 : x
  2. Step 2: Convert to fraction form
    42,426.97/63,648.64 = 16,129.66/x
  3. Step 3: Cross multiply
    42,426.97x = 63,648.64 × 16,129.66
  4. Step 4: Simplify right side
    42,426.97x = 1,026,630,922.66
  5. Step 5: Solve for x
    x = 1,026,630,922.66/42,426.97
  6. Step 6: Final answer
    x = 24,197.60

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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.