Home / 51,139.54-76,727.81-26,191.34

Finding the Fourth Proportional to 51,139.54, 76,727.81 and 26,191.34

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Solution

The fourth proportional to 51,139.54, 76,727.81 and 26,191.34 is: 39,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,139.54 : 76,727.81 = 26,191.34 : x
  2. Step 2: Convert to fraction form
    51,139.54/76,727.81 = 26,191.34/x
  3. Step 3: Cross multiply
    51,139.54x = 76,727.81 × 26,191.34
  4. Step 4: Simplify right side
    51,139.54x = 2,009,603,841.00
  5. Step 5: Solve for x
    x = 2,009,603,841.00/51,139.54
  6. Step 6: Final answer
    x = 39,296.48

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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.