Home / 31,206.04-46,799.94-12,480.06

Finding the Fourth Proportional to 31,206.04, 46,799.94 and 12,480.06

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Solution

The fourth proportional to 31,206.04, 46,799.94 and 12,480.06 is: 18,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.04 : 46,799.94 = 12,480.06 : x
  2. Step 2: Convert to fraction form
    31,206.04/46,799.94 = 12,480.06/x
  3. Step 3: Cross multiply
    31,206.04x = 46,799.94 × 12,480.06
  4. Step 4: Simplify right side
    31,206.04x = 584,066,059.20
  5. Step 5: Solve for x
    x = 584,066,059.20/31,206.04
  6. Step 6: Final answer
    x = 18,716.44

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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.