Home / 62,638.05-86,442.56-34,343.73

Finding the Fourth Proportional to 62,638.05, 86,442.56 and 34,343.73

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Solution

The fourth proportional to 62,638.05, 86,442.56 and 34,343.73 is: 47,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,638.05 : 86,442.56 = 34,343.73 : x
  2. Step 2: Convert to fraction form
    62,638.05/86,442.56 = 34,343.73/x
  3. Step 3: Cross multiply
    62,638.05x = 86,442.56 × 34,343.73
  4. Step 4: Simplify right side
    62,638.05x = 2,968,759,941.15
  5. Step 5: Solve for x
    x = 2,968,759,941.15/62,638.05
  6. Step 6: Final answer
    x = 47,395.47

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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.