Home / 31,928.32-47,870.26-14,149.34

Finding the Fourth Proportional to 31,928.32, 47,870.26 and 14,149.34

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Solution

The fourth proportional to 31,928.32, 47,870.26 and 14,149.34 is: 21,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,928.32 : 47,870.26 = 14,149.34 : x
  2. Step 2: Convert to fraction form
    31,928.32/47,870.26 = 14,149.34/x
  3. Step 3: Cross multiply
    31,928.32x = 47,870.26 × 14,149.34
  4. Step 4: Simplify right side
    31,928.32x = 677,332,584.63
  5. Step 5: Solve for x
    x = 677,332,584.63/31,928.32
  6. Step 6: Final answer
    x = 21,214.16

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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.