Home / 51,986.53-71,741.31-28,113.13

Finding the Fourth Proportional to 51,986.53, 71,741.31 and 28,113.13

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Solution

The fourth proportional to 51,986.53, 71,741.31 and 28,113.13 is: 38,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986.53 : 71,741.31 = 28,113.13 : x
  2. Step 2: Convert to fraction form
    51,986.53/71,741.31 = 28,113.13/x
  3. Step 3: Cross multiply
    51,986.53x = 71,741.31 × 28,113.13
  4. Step 4: Simplify right side
    51,986.53x = 2,016,872,774.40
  5. Step 5: Solve for x
    x = 2,016,872,774.40/51,986.53
  6. Step 6: Final answer
    x = 38,796.06

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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.