Home / 50,113.56-75,177.36-20,535.60

Finding the Fourth Proportional to 50,113.56, 75,177.36 and 20,535.60

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Solution

The fourth proportional to 50,113.56, 75,177.36 and 20,535.60 is: 30,806.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,113.56 : 75,177.36 = 20,535.60 : x
  2. Step 2: Convert to fraction form
    50,113.56/75,177.36 = 20,535.60/x
  3. Step 3: Cross multiply
    50,113.56x = 75,177.36 × 20,535.60
  4. Step 4: Simplify right side
    50,113.56x = 1,543,812,194.02
  5. Step 5: Solve for x
    x = 1,543,812,194.02/50,113.56
  6. Step 6: Final answer
    x = 30,806.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.