Home / 31,705.61-47,517.08-17,665.07

Finding the Fourth Proportional to 31,705.61, 47,517.08 and 17,665.07

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Solution

The fourth proportional to 31,705.61, 47,517.08 and 17,665.07 is: 26,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.61 : 47,517.08 = 17,665.07 : x
  2. Step 2: Convert to fraction form
    31,705.61/47,517.08 = 17,665.07/x
  3. Step 3: Cross multiply
    31,705.61x = 47,517.08 × 17,665.07
  4. Step 4: Simplify right side
    31,705.61x = 839,392,218.48
  5. Step 5: Solve for x
    x = 839,392,218.48/31,705.61
  6. Step 6: Final answer
    x = 26,474.57

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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.