Home / 31,165.19-46,774.20-12,458.43

Finding the Fourth Proportional to 31,165.19, 46,774.20 and 12,458.43

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Solution

The fourth proportional to 31,165.19, 46,774.20 and 12,458.43 is: 18,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,165.19 : 46,774.20 = 12,458.43 : x
  2. Step 2: Convert to fraction form
    31,165.19/46,774.20 = 12,458.43/x
  3. Step 3: Cross multiply
    31,165.19x = 46,774.20 × 12,458.43
  4. Step 4: Simplify right side
    31,165.19x = 582,733,096.51
  5. Step 5: Solve for x
    x = 582,733,096.51/31,165.19
  6. Step 6: Final answer
    x = 18,698.21

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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.