Home / 49,468.42-74,212.08-19,888.66

Finding the Fourth Proportional to 49,468.42, 74,212.08 and 19,888.66

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Solution

The fourth proportional to 49,468.42, 74,212.08 and 19,888.66 is: 29,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,468.42 : 74,212.08 = 19,888.66 : x
  2. Step 2: Convert to fraction form
    49,468.42/74,212.08 = 19,888.66/x
  3. Step 3: Cross multiply
    49,468.42x = 74,212.08 × 19,888.66
  4. Step 4: Simplify right side
    49,468.42x = 1,475,978,827.01
  5. Step 5: Solve for x
    x = 1,475,978,827.01/49,468.42
  6. Step 6: Final answer
    x = 29,836.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.