Home / 31,705.86-43,754.01-18,277.04

Finding the Fourth Proportional to 31,705.86, 43,754.01 and 18,277.04

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Solution

The fourth proportional to 31,705.86, 43,754.01 and 18,277.04 is: 25,222.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.86 : 43,754.01 = 18,277.04 : x
  2. Step 2: Convert to fraction form
    31,705.86/43,754.01 = 18,277.04/x
  3. Step 3: Cross multiply
    31,705.86x = 43,754.01 × 18,277.04
  4. Step 4: Simplify right side
    31,705.86x = 799,693,831.78
  5. Step 5: Solve for x
    x = 799,693,831.78/31,705.86
  6. Step 6: Final answer
    x = 25,222.27

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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.