Home / 43,869.96-65,831.94-20,498.76

Finding the Fourth Proportional to 43,869.96, 65,831.94 and 20,498.76

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Solution

The fourth proportional to 43,869.96, 65,831.94 and 20,498.76 is: 30,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,869.96 : 65,831.94 = 20,498.76 : x
  2. Step 2: Convert to fraction form
    43,869.96/65,831.94 = 20,498.76/x
  3. Step 3: Cross multiply
    43,869.96x = 65,831.94 × 20,498.76
  4. Step 4: Simplify right side
    43,869.96x = 1,349,473,138.39
  5. Step 5: Solve for x
    x = 1,349,473,138.39/43,869.96
  6. Step 6: Final answer
    x = 30,760.76

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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.