Home / 42,045.48-63,067.92-12,463.44

Finding the Fourth Proportional to 42,045.48, 63,067.92 and 12,463.44

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Solution

The fourth proportional to 42,045.48, 63,067.92 and 12,463.44 is: 18,695.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,045.48 : 63,067.92 = 12,463.44 : x
  2. Step 2: Convert to fraction form
    42,045.48/63,067.92 = 12,463.44/x
  3. Step 3: Cross multiply
    42,045.48x = 63,067.92 × 12,463.44
  4. Step 4: Simplify right side
    42,045.48x = 786,043,236.84
  5. Step 5: Solve for x
    x = 786,043,236.84/42,045.48
  6. Step 6: Final answer
    x = 18,695.07

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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.