Home / 62,889.42-86,727.84-40,235.58

Finding the Fourth Proportional to 62,889.42, 86,727.84 and 40,235.58

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Solution

The fourth proportional to 62,889.42, 86,727.84 and 40,235.58 is: 55,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,889.42 : 86,727.84 = 40,235.58 : x
  2. Step 2: Convert to fraction form
    62,889.42/86,727.84 = 40,235.58/x
  3. Step 3: Cross multiply
    62,889.42x = 86,727.84 × 40,235.58
  4. Step 4: Simplify right side
    62,889.42x = 3,489,544,944.55
  5. Step 5: Solve for x
    x = 3,489,544,944.55/62,889.42
  6. Step 6: Final answer
    x = 55,487.00

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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.