Home / 42,137.88-63,206.79-12,554.96

Finding the Fourth Proportional to 42,137.88, 63,206.79 and 12,554.96

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Solution

The fourth proportional to 42,137.88, 63,206.79 and 12,554.96 is: 18,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,137.88 : 63,206.79 = 12,554.96 : x
  2. Step 2: Convert to fraction form
    42,137.88/63,206.79 = 12,554.96/x
  3. Step 3: Cross multiply
    42,137.88x = 63,206.79 × 12,554.96
  4. Step 4: Simplify right side
    42,137.88x = 793,558,404.14
  5. Step 5: Solve for x
    x = 793,558,404.14/42,137.88
  6. Step 6: Final answer
    x = 18,832.42

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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.