Home / 31,305.64-46,961.37-11,320.14

Finding the Fourth Proportional to 31,305.64, 46,961.37 and 11,320.14

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Solution

The fourth proportional to 31,305.64, 46,961.37 and 11,320.14 is: 16,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.64 : 46,961.37 = 11,320.14 : x
  2. Step 2: Convert to fraction form
    31,305.64/46,961.37 = 11,320.14/x
  3. Step 3: Cross multiply
    31,305.64x = 46,961.37 × 11,320.14
  4. Step 4: Simplify right side
    31,305.64x = 531,609,282.99
  5. Step 5: Solve for x
    x = 531,609,282.99/31,305.64
  6. Step 6: Final answer
    x = 16,981.26

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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.