Home / 51,948.56-71,683.83-31,811.15

Finding the Fourth Proportional to 51,948.56, 71,683.83 and 31,811.15

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Solution

The fourth proportional to 51,948.56, 71,683.83 and 31,811.15 is: 43,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,948.56 : 71,683.83 = 31,811.15 : x
  2. Step 2: Convert to fraction form
    51,948.56/71,683.83 = 31,811.15/x
  3. Step 3: Cross multiply
    51,948.56x = 71,683.83 × 31,811.15
  4. Step 4: Simplify right side
    51,948.56x = 2,280,344,710.29
  5. Step 5: Solve for x
    x = 2,280,344,710.29/51,948.56
  6. Step 6: Final answer
    x = 43,896.21

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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.