Home / 42,045.45-63,067.89-12,463.44

Finding the Fourth Proportional to 42,045.45, 63,067.89 and 12,463.44

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Solution

The fourth proportional to 42,045.45, 63,067.89 and 12,463.44 is: 18,695.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,045.45 : 63,067.89 = 12,463.44 : x
  2. Step 2: Convert to fraction form
    42,045.45/63,067.89 = 12,463.44/x
  3. Step 3: Cross multiply
    42,045.45x = 63,067.89 × 12,463.44
  4. Step 4: Simplify right side
    42,045.45x = 786,042,862.94
  5. Step 5: Solve for x
    x = 786,042,862.94/42,045.45
  6. Step 6: Final answer
    x = 18,695.08

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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.