Home / 41,740.38-57,678.10-30,390.17

Finding the Fourth Proportional to 41,740.38, 57,678.10 and 30,390.17

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Solution

The fourth proportional to 41,740.38, 57,678.10 and 30,390.17 is: 41,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,740.38 : 57,678.10 = 30,390.17 : x
  2. Step 2: Convert to fraction form
    41,740.38/57,678.10 = 30,390.17/x
  3. Step 3: Cross multiply
    41,740.38x = 57,678.10 × 30,390.17
  4. Step 4: Simplify right side
    41,740.38x = 1,752,846,899.91
  5. Step 5: Solve for x
    x = 1,752,846,899.91/41,740.38
  6. Step 6: Final answer
    x = 41,994.03

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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.