Home / 67,331.34-100,996.83-19,950.12

Finding the Fourth Proportional to 67,331.34, 100,996.83 and 19,950.12

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Solution

The fourth proportional to 67,331.34, 100,996.83 and 19,950.12 is: 29,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,331.34 : 100,996.83 = 19,950.12 : x
  2. Step 2: Convert to fraction form
    67,331.34/100,996.83 = 19,950.12/x
  3. Step 3: Cross multiply
    67,331.34x = 100,996.83 × 19,950.12
  4. Step 4: Simplify right side
    67,331.34x = 2,014,898,878.12
  5. Step 5: Solve for x
    x = 2,014,898,878.12/67,331.34
  6. Step 6: Final answer
    x = 29,925.13

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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.