Home / 31,571.42-47,364.92-9,384.70

Finding the Fourth Proportional to 31,571.42, 47,364.92 and 9,384.70

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Solution

The fourth proportional to 31,571.42, 47,364.92 and 9,384.70 is: 14,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,571.42 : 47,364.92 = 9,384.70 : x
  2. Step 2: Convert to fraction form
    31,571.42/47,364.92 = 9,384.70/x
  3. Step 3: Cross multiply
    31,571.42x = 47,364.92 × 9,384.70
  4. Step 4: Simplify right side
    31,571.42x = 444,505,327.90
  5. Step 5: Solve for x
    x = 444,505,327.90/31,571.42
  6. Step 6: Final answer
    x = 14,079.36

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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.