Home / 63,034.12-86,986.64-34,739.84

Finding the Fourth Proportional to 63,034.12, 86,986.64 and 34,739.84

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Solution

The fourth proportional to 63,034.12, 86,986.64 and 34,739.84 is: 47,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,034.12 : 86,986.64 = 34,739.84 : x
  2. Step 2: Convert to fraction form
    63,034.12/86,986.64 = 34,739.84/x
  3. Step 3: Cross multiply
    63,034.12x = 86,986.64 × 34,739.84
  4. Step 4: Simplify right side
    63,034.12x = 3,021,901,955.74
  5. Step 5: Solve for x
    x = 3,021,901,955.74/63,034.12
  6. Step 6: Final answer
    x = 47,940.73

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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.