Home / 35,128.06-48,475.02-20,021.38

Finding the Fourth Proportional to 35,128.06, 48,475.02 and 20,021.38

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Solution

The fourth proportional to 35,128.06, 48,475.02 and 20,021.38 is: 27,628.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.06 : 48,475.02 = 20,021.38 : x
  2. Step 2: Convert to fraction form
    35,128.06/48,475.02 = 20,021.38/x
  3. Step 3: Cross multiply
    35,128.06x = 48,475.02 × 20,021.38
  4. Step 4: Simplify right side
    35,128.06x = 970,536,795.93
  5. Step 5: Solve for x
    x = 970,536,795.93/35,128.06
  6. Step 6: Final answer
    x = 27,628.53

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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.