Home / 30,168.18-44,933.13-28,587.42

Finding the Fourth Proportional to 30,168.18, 44,933.13 and 28,587.42

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Solution

The fourth proportional to 30,168.18, 44,933.13 and 28,587.42 is: 42,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.18 : 44,933.13 = 28,587.42 : x
  2. Step 2: Convert to fraction form
    30,168.18/44,933.13 = 28,587.42/x
  3. Step 3: Cross multiply
    30,168.18x = 44,933.13 × 28,587.42
  4. Step 4: Simplify right side
    30,168.18x = 1,284,522,259.22
  5. Step 5: Solve for x
    x = 1,284,522,259.22/30,168.18
  6. Step 6: Final answer
    x = 42,578.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.