Home / 43,500.92-65,249.34-15,420.53

Finding the Fourth Proportional to 43,500.92, 65,249.34 and 15,420.53

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Solution

The fourth proportional to 43,500.92, 65,249.34 and 15,420.53 is: 23,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,500.92 : 65,249.34 = 15,420.53 : x
  2. Step 2: Convert to fraction form
    43,500.92/65,249.34 = 15,420.53/x
  3. Step 3: Cross multiply
    43,500.92x = 65,249.34 × 15,420.53
  4. Step 4: Simplify right side
    43,500.92x = 1,006,179,404.95
  5. Step 5: Solve for x
    x = 1,006,179,404.95/43,500.92
  6. Step 6: Final answer
    x = 23,130.07

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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.