Home / 51,265.82-70,751.74-31,118.10

Finding the Fourth Proportional to 51,265.82, 70,751.74 and 31,118.10

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Solution

The fourth proportional to 51,265.82, 70,751.74 and 31,118.10 is: 42,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,265.82 : 70,751.74 = 31,118.10 : x
  2. Step 2: Convert to fraction form
    51,265.82/70,751.74 = 31,118.10/x
  3. Step 3: Cross multiply
    51,265.82x = 70,751.74 × 31,118.10
  4. Step 4: Simplify right side
    51,265.82x = 2,201,659,720.49
  5. Step 5: Solve for x
    x = 2,201,659,720.49/51,265.82
  6. Step 6: Final answer
    x = 42,945.96

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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.