Home / 31,344.12-46,983.15-10,278.68

Finding the Fourth Proportional to 31,344.12, 46,983.15 and 10,278.68

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Solution

The fourth proportional to 31,344.12, 46,983.15 and 10,278.68 is: 15,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.12 : 46,983.15 = 10,278.68 : x
  2. Step 2: Convert to fraction form
    31,344.12/46,983.15 = 10,278.68/x
  3. Step 3: Cross multiply
    31,344.12x = 46,983.15 × 10,278.68
  4. Step 4: Simplify right side
    31,344.12x = 482,924,529.33
  5. Step 5: Solve for x
    x = 482,924,529.33/31,344.12
  6. Step 6: Final answer
    x = 15,407.18

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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.