Home / 31,423.64-47,150.84-14,785.34

Finding the Fourth Proportional to 31,423.64, 47,150.84 and 14,785.34

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Solution

The fourth proportional to 31,423.64, 47,150.84 and 14,785.34 is: 22,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.64 : 47,150.84 = 14,785.34 : x
  2. Step 2: Convert to fraction form
    31,423.64/47,150.84 = 14,785.34/x
  3. Step 3: Cross multiply
    31,423.64x = 47,150.84 × 14,785.34
  4. Step 4: Simplify right side
    31,423.64x = 697,140,891.00
  5. Step 5: Solve for x
    x = 697,140,891.00/31,423.64
  6. Step 6: Final answer
    x = 22,185.23

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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.