Home / 49,864.80-74,696.40-31,087.20

Finding the Fourth Proportional to 49,864.80, 74,696.40 and 31,087.20

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Solution

The fourth proportional to 49,864.80, 74,696.40 and 31,087.20 is: 46,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,864.80 : 74,696.40 = 31,087.20 : x
  2. Step 2: Convert to fraction form
    49,864.80/74,696.40 = 31,087.20/x
  3. Step 3: Cross multiply
    49,864.80x = 74,696.40 × 31,087.20
  4. Step 4: Simplify right side
    49,864.80x = 2,322,101,926.08
  5. Step 5: Solve for x
    x = 2,322,101,926.08/49,864.80
  6. Step 6: Final answer
    x = 46,567.96

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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.