Home / 30,523.53-42,146.83-20,324.52

Finding the Fourth Proportional to 30,523.53, 42,146.83 and 20,324.52

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Solution

The fourth proportional to 30,523.53, 42,146.83 and 20,324.52 is: 28,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,523.53 : 42,146.83 = 20,324.52 : x
  2. Step 2: Convert to fraction form
    30,523.53/42,146.83 = 20,324.52/x
  3. Step 3: Cross multiply
    30,523.53x = 42,146.83 × 20,324.52
  4. Step 4: Simplify right side
    30,523.53x = 856,614,114.68
  5. Step 5: Solve for x
    x = 856,614,114.68/30,523.53
  6. Step 6: Final answer
    x = 28,064.05

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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.