Home / 31,928.32-47,888.80-12,206.44

Finding the Fourth Proportional to 31,928.32, 47,888.80 and 12,206.44

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Solution

The fourth proportional to 31,928.32, 47,888.80 and 12,206.44 is: 18,308.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,928.32 : 47,888.80 = 12,206.44 : x
  2. Step 2: Convert to fraction form
    31,928.32/47,888.80 = 12,206.44/x
  3. Step 3: Cross multiply
    31,928.32x = 47,888.80 × 12,206.44
  4. Step 4: Simplify right side
    31,928.32x = 584,551,763.87
  5. Step 5: Solve for x
    x = 584,551,763.87/31,928.32
  6. Step 6: Final answer
    x = 18,308.25

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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.