Home / 31,189.30-46,787.92-14,318.22

Finding the Fourth Proportional to 31,189.30, 46,787.92 and 14,318.22

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Solution

The fourth proportional to 31,189.30, 46,787.92 and 14,318.22 is: 21,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189.30 : 46,787.92 = 14,318.22 : x
  2. Step 2: Convert to fraction form
    31,189.30/46,787.92 = 14,318.22/x
  3. Step 3: Cross multiply
    31,189.30x = 46,787.92 × 14,318.22
  4. Step 4: Simplify right side
    31,189.30x = 669,919,731.90
  5. Step 5: Solve for x
    x = 669,919,731.90/31,189.30
  6. Step 6: Final answer
    x = 21,479.15

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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.