Home / 43,016.10-64,523.58-20,831.46

Finding the Fourth Proportional to 43,016.10, 64,523.58 and 20,831.46

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Solution

The fourth proportional to 43,016.10, 64,523.58 and 20,831.46 is: 31,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,016.10 : 64,523.58 = 20,831.46 : x
  2. Step 2: Convert to fraction form
    43,016.10/64,523.58 = 20,831.46/x
  3. Step 3: Cross multiply
    43,016.10x = 64,523.58 × 20,831.46
  4. Step 4: Simplify right side
    43,016.10x = 1,344,120,375.83
  5. Step 5: Solve for x
    x = 1,344,120,375.83/43,016.10
  6. Step 6: Final answer
    x = 31,246.91

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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.