Home / 51,365.53-70,906.25-31,228.84

Finding the Fourth Proportional to 51,365.53, 70,906.25 and 31,228.84

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Solution

The fourth proportional to 51,365.53, 70,906.25 and 31,228.84 is: 43,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,365.53 : 70,906.25 = 31,228.84 : x
  2. Step 2: Convert to fraction form
    51,365.53/70,906.25 = 31,228.84/x
  3. Step 3: Cross multiply
    51,365.53x = 70,906.25 × 31,228.84
  4. Step 4: Simplify right side
    51,365.53x = 2,214,319,936.25
  5. Step 5: Solve for x
    x = 2,214,319,936.25/51,365.53
  6. Step 6: Final answer
    x = 43,109.06

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1.5x scale

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.