Home / 35,076.90-48,407.16-19,161.61

Finding the Fourth Proportional to 35,076.90, 48,407.16 and 19,161.61

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Solution

The fourth proportional to 35,076.90, 48,407.16 and 19,161.61 is: 26,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,076.90 : 48,407.16 = 19,161.61 : x
  2. Step 2: Convert to fraction form
    35,076.90/48,407.16 = 19,161.61/x
  3. Step 3: Cross multiply
    35,076.90x = 48,407.16 × 19,161.61
  4. Step 4: Simplify right side
    35,076.90x = 927,559,121.13
  5. Step 5: Solve for x
    x = 927,559,121.13/35,076.90
  6. Step 6: Final answer
    x = 26,443.59

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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.