Home / 31,588.94-47,392.14-13,816.37

Finding the Fourth Proportional to 31,588.94, 47,392.14 and 13,816.37

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Solution

The fourth proportional to 31,588.94, 47,392.14 and 13,816.37 is: 20,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588.94 : 47,392.14 = 13,816.37 : x
  2. Step 2: Convert to fraction form
    31,588.94/47,392.14 = 13,816.37/x
  3. Step 3: Cross multiply
    31,588.94x = 47,392.14 × 13,816.37
  4. Step 4: Simplify right side
    31,588.94x = 654,787,433.91
  5. Step 5: Solve for x
    x = 654,787,433.91/31,588.94
  6. Step 6: Final answer
    x = 20,728.38

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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.