Home / 50,773.31-70,069.35-28,112.30

Finding the Fourth Proportional to 50,773.31, 70,069.35 and 28,112.30

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Solution

The fourth proportional to 50,773.31, 70,069.35 and 28,112.30 is: 38,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,773.31 : 70,069.35 = 28,112.30 : x
  2. Step 2: Convert to fraction form
    50,773.31/70,069.35 = 28,112.30/x
  3. Step 3: Cross multiply
    50,773.31x = 70,069.35 × 28,112.30
  4. Step 4: Simplify right side
    50,773.31x = 1,969,810,605.84
  5. Step 5: Solve for x
    x = 1,969,810,605.84/50,773.31
  6. Step 6: Final answer
    x = 38,796.18

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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.