Home / 38,035.78-52,487.70-21,040.66

Finding the Fourth Proportional to 38,035.78, 52,487.70 and 21,040.66

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Solution

The fourth proportional to 38,035.78, 52,487.70 and 21,040.66 is: 29,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,035.78 : 52,487.70 = 21,040.66 : x
  2. Step 2: Convert to fraction form
    38,035.78/52,487.70 = 21,040.66/x
  3. Step 3: Cross multiply
    38,035.78x = 52,487.70 × 21,040.66
  4. Step 4: Simplify right side
    38,035.78x = 1,104,375,836.59
  5. Step 5: Solve for x
    x = 1,104,375,836.59/38,035.78
  6. Step 6: Final answer
    x = 29,035.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.