Home / 31,214.40-46,821.84-12,496.05

Finding the Fourth Proportional to 31,214.40, 46,821.84 and 12,496.05

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Solution

The fourth proportional to 31,214.40, 46,821.84 and 12,496.05 is: 18,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214.40 : 46,821.84 = 12,496.05 : x
  2. Step 2: Convert to fraction form
    31,214.40/46,821.84 = 12,496.05/x
  3. Step 3: Cross multiply
    31,214.40x = 46,821.84 × 12,496.05
  4. Step 4: Simplify right side
    31,214.40x = 585,088,053.73
  5. Step 5: Solve for x
    x = 585,088,053.73/31,214.40
  6. Step 6: Final answer
    x = 18,744.17

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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.