Home / 42,381.23-63,578.22-12,801.44

Finding the Fourth Proportional to 42,381.23, 63,578.22 and 12,801.44

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Solution

The fourth proportional to 42,381.23, 63,578.22 and 12,801.44 is: 19,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,381.23 : 63,578.22 = 12,801.44 : x
  2. Step 2: Convert to fraction form
    42,381.23/63,578.22 = 12,801.44/x
  3. Step 3: Cross multiply
    42,381.23x = 63,578.22 × 12,801.44
  4. Step 4: Simplify right side
    42,381.23x = 813,892,879.58
  5. Step 5: Solve for x
    x = 813,892,879.58/42,381.23
  6. Step 6: Final answer
    x = 19,204.09

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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.