Home / 20,233.89-30,350.47-7,750.53

Finding the Fourth Proportional to 20,233.89, 30,350.47 and 7,750.53

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Solution

The fourth proportional to 20,233.89, 30,350.47 and 7,750.53 is: 11,625.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.89 : 30,350.47 = 7,750.53 : x
  2. Step 2: Convert to fraction form
    20,233.89/30,350.47 = 7,750.53/x
  3. Step 3: Cross multiply
    20,233.89x = 30,350.47 × 7,750.53
  4. Step 4: Simplify right side
    20,233.89x = 235,232,228.25
  5. Step 5: Solve for x
    x = 235,232,228.25/20,233.89
  6. Step 6: Final answer
    x = 11,625.66

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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.