Home / 43,213.50-64,831.19-12,048.75

Finding the Fourth Proportional to 43,213.50, 64,831.19 and 12,048.75

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Solution

The fourth proportional to 43,213.50, 64,831.19 and 12,048.75 is: 18,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213.50 : 64,831.19 = 12,048.75 : x
  2. Step 2: Convert to fraction form
    43,213.50/64,831.19 = 12,048.75/x
  3. Step 3: Cross multiply
    43,213.50x = 64,831.19 × 12,048.75
  4. Step 4: Simplify right side
    43,213.50x = 781,134,740.27
  5. Step 5: Solve for x
    x = 781,134,740.27/43,213.50
  6. Step 6: Final answer
    x = 18,076.17

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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.