Home / 42,006.67-63,000.07-12,019.97

Finding the Fourth Proportional to 42,006.67, 63,000.07 and 12,019.97

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Solution

The fourth proportional to 42,006.67, 63,000.07 and 12,019.97 is: 18,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006.67 : 63,000.07 = 12,019.97 : x
  2. Step 2: Convert to fraction form
    42,006.67/63,000.07 = 12,019.97/x
  3. Step 3: Cross multiply
    42,006.67x = 63,000.07 × 12,019.97
  4. Step 4: Simplify right side
    42,006.67x = 757,259,078.85
  5. Step 5: Solve for x
    x = 757,259,078.85/42,006.67
  6. Step 6: Final answer
    x = 18,027.12

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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.