Home / 54,516.78-75,222.13-31,851.39

Finding the Fourth Proportional to 54,516.78, 75,222.13 and 31,851.39

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Solution

The fourth proportional to 54,516.78, 75,222.13 and 31,851.39 is: 43,948.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,516.78 : 75,222.13 = 31,851.39 : x
  2. Step 2: Convert to fraction form
    54,516.78/75,222.13 = 31,851.39/x
  3. Step 3: Cross multiply
    54,516.78x = 75,222.13 × 31,851.39
  4. Step 4: Simplify right side
    54,516.78x = 2,395,929,240.00
  5. Step 5: Solve for x
    x = 2,395,929,240.00/54,516.78
  6. Step 6: Final answer
    x = 43,948.47

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1.5x scale

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.