Home / 38,192.84-57,331.15-30,345.78

Finding the Fourth Proportional to 38,192.84, 57,331.15 and 30,345.78

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Solution

The fourth proportional to 38,192.84, 57,331.15 and 30,345.78 is: 45,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,192.84 : 57,331.15 = 30,345.78 : x
  2. Step 2: Convert to fraction form
    38,192.84/57,331.15 = 30,345.78/x
  3. Step 3: Cross multiply
    38,192.84x = 57,331.15 × 30,345.78
  4. Step 4: Simplify right side
    38,192.84x = 1,739,758,465.05
  5. Step 5: Solve for x
    x = 1,739,758,465.05/38,192.84
  6. Step 6: Final answer
    x = 45,551.95

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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.