Home / 62,891.42-86,730.60-40,237.58

Finding the Fourth Proportional to 62,891.42, 86,730.60 and 40,237.58

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Solution

The fourth proportional to 62,891.42, 86,730.60 and 40,237.58 is: 55,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,891.42 : 86,730.60 = 40,237.58 : x
  2. Step 2: Convert to fraction form
    62,891.42/86,730.60 = 40,237.58/x
  3. Step 3: Cross multiply
    62,891.42x = 86,730.60 × 40,237.58
  4. Step 4: Simplify right side
    62,891.42x = 3,489,829,455.95
  5. Step 5: Solve for x
    x = 3,489,829,455.95/62,891.42
  6. Step 6: Final answer
    x = 55,489.75

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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.