Home / 41,099.91-61,682.16-21,108.60

Finding the Fourth Proportional to 41,099.91, 61,682.16 and 21,108.60

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Solution

The fourth proportional to 41,099.91, 61,682.16 and 21,108.60 is: 31,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,099.91 : 61,682.16 = 21,108.60 : x
  2. Step 2: Convert to fraction form
    41,099.91/61,682.16 = 21,108.60/x
  3. Step 3: Cross multiply
    41,099.91x = 61,682.16 × 21,108.60
  4. Step 4: Simplify right side
    41,099.91x = 1,302,024,003.00
  5. Step 5: Solve for x
    x = 1,302,024,003.00/41,099.91
  6. Step 6: Final answer
    x = 31,679.49

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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.