Home / 42,691.00-64,035.20-11,100.37

Finding the Fourth Proportional to 42,691.00, 64,035.20 and 11,100.37

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Solution

The fourth proportional to 42,691.00, 64,035.20 and 11,100.37 is: 16,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,691.00 : 64,035.20 = 11,100.37 : x
  2. Step 2: Convert to fraction form
    42,691.00/64,035.20 = 11,100.37/x
  3. Step 3: Cross multiply
    42,691.00x = 64,035.20 × 11,100.37
  4. Step 4: Simplify right side
    42,691.00x = 710,814,220.65
  5. Step 5: Solve for x
    x = 710,814,220.65/42,691.00
  6. Step 6: Final answer
    x = 16,650.21

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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.