Home / 31,399.62-47,059.29-14,722.86

Finding the Fourth Proportional to 31,399.62, 47,059.29 and 14,722.86

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Solution

The fourth proportional to 31,399.62, 47,059.29 and 14,722.86 is: 22,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.62 : 47,059.29 = 14,722.86 : x
  2. Step 2: Convert to fraction form
    31,399.62/47,059.29 = 14,722.86/x
  3. Step 3: Cross multiply
    31,399.62x = 47,059.29 × 14,722.86
  4. Step 4: Simplify right side
    31,399.62x = 692,847,338.37
  5. Step 5: Solve for x
    x = 692,847,338.37/31,399.62
  6. Step 6: Final answer
    x = 22,065.47

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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.