Home / 31,028.04-46,514.72-12,321.20

Finding the Fourth Proportional to 31,028.04, 46,514.72 and 12,321.20

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Solution

The fourth proportional to 31,028.04, 46,514.72 and 12,321.20 is: 18,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,028.04 : 46,514.72 = 12,321.20 : x
  2. Step 2: Convert to fraction form
    31,028.04/46,514.72 = 12,321.20/x
  3. Step 3: Cross multiply
    31,028.04x = 46,514.72 × 12,321.20
  4. Step 4: Simplify right side
    31,028.04x = 573,117,168.06
  5. Step 5: Solve for x
    x = 573,117,168.06/31,028.04
  6. Step 6: Final answer
    x = 18,470.94

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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.