Home / 51,117.06-70,540.79-28,456.01

Finding the Fourth Proportional to 51,117.06, 70,540.79 and 28,456.01

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Solution

The fourth proportional to 51,117.06, 70,540.79 and 28,456.01 is: 39,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,117.06 : 70,540.79 = 28,456.01 : x
  2. Step 2: Convert to fraction form
    51,117.06/70,540.79 = 28,456.01/x
  3. Step 3: Cross multiply
    51,117.06x = 70,540.79 × 28,456.01
  4. Step 4: Simplify right side
    51,117.06x = 2,007,309,425.65
  5. Step 5: Solve for x
    x = 2,007,309,425.65/51,117.06
  6. Step 6: Final answer
    x = 39,268.87

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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.