Home / 35,127.78-48,501.72-21,717.42

Finding the Fourth Proportional to 35,127.78, 48,501.72 and 21,717.42

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Solution

The fourth proportional to 35,127.78, 48,501.72 and 21,717.42 is: 29,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,127.78 : 48,501.72 = 21,717.42 : x
  2. Step 2: Convert to fraction form
    35,127.78/48,501.72 = 21,717.42/x
  3. Step 3: Cross multiply
    35,127.78x = 48,501.72 × 21,717.42
  4. Step 4: Simplify right side
    35,127.78x = 1,053,332,223.96
  5. Step 5: Solve for x
    x = 1,053,332,223.96/35,127.78
  6. Step 6: Final answer
    x = 29,985.73

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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.