Home / 38,470.94-57,705.81-19,740.17

Finding the Fourth Proportional to 38,470.94, 57,705.81 and 19,740.17

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Solution

The fourth proportional to 38,470.94, 57,705.81 and 19,740.17 is: 29,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470.94 : 57,705.81 = 19,740.17 : x
  2. Step 2: Convert to fraction form
    38,470.94/57,705.81 = 19,740.17/x
  3. Step 3: Cross multiply
    38,470.94x = 57,705.81 × 19,740.17
  4. Step 4: Simplify right side
    38,470.94x = 1,139,122,499.39
  5. Step 5: Solve for x
    x = 1,139,122,499.39/38,470.94
  6. Step 6: Final answer
    x = 29,609.95

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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.