Home / 31,329.64-47,003.13-14,467.81

Finding the Fourth Proportional to 31,329.64, 47,003.13 and 14,467.81

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Solution

The fourth proportional to 31,329.64, 47,003.13 and 14,467.81 is: 21,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,329.64 : 47,003.13 = 14,467.81 : x
  2. Step 2: Convert to fraction form
    31,329.64/47,003.13 = 14,467.81/x
  3. Step 3: Cross multiply
    31,329.64x = 47,003.13 × 14,467.81
  4. Step 4: Simplify right side
    31,329.64x = 680,032,354.25
  5. Step 5: Solve for x
    x = 680,032,354.25/31,329.64
  6. Step 6: Final answer
    x = 21,705.72

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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.