Home / 34,671.28-47,831.16-20,323.83

Finding the Fourth Proportional to 34,671.28, 47,831.16 and 20,323.83

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Solution

The fourth proportional to 34,671.28, 47,831.16 and 20,323.83 is: 28,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,671.28 : 47,831.16 = 20,323.83 : x
  2. Step 2: Convert to fraction form
    34,671.28/47,831.16 = 20,323.83/x
  3. Step 3: Cross multiply
    34,671.28x = 47,831.16 × 20,323.83
  4. Step 4: Simplify right side
    34,671.28x = 972,112,364.54
  5. Step 5: Solve for x
    x = 972,112,364.54/34,671.28
  6. Step 6: Final answer
    x = 28,037.97

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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.