Home / 31,019.40-46,514.70-13,480.20

Finding the Fourth Proportional to 31,019.40, 46,514.70 and 13,480.20

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Solution

The fourth proportional to 31,019.40, 46,514.70 and 13,480.20 is: 20,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,019.40 : 46,514.70 = 13,480.20 : x
  2. Step 2: Convert to fraction form
    31,019.40/46,514.70 = 13,480.20/x
  3. Step 3: Cross multiply
    31,019.40x = 46,514.70 × 13,480.20
  4. Step 4: Simplify right side
    31,019.40x = 627,027,458.94
  5. Step 5: Solve for x
    x = 627,027,458.94/31,019.40
  6. Step 6: Final answer
    x = 20,214.04

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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.