Home / 31,112.84-46,640.46-10,332.68

Finding the Fourth Proportional to 31,112.84, 46,640.46 and 10,332.68

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Solution

The fourth proportional to 31,112.84, 46,640.46 and 10,332.68 is: 15,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112.84 : 46,640.46 = 10,332.68 : x
  2. Step 2: Convert to fraction form
    31,112.84/46,640.46 = 10,332.68/x
  3. Step 3: Cross multiply
    31,112.84x = 46,640.46 × 10,332.68
  4. Step 4: Simplify right side
    31,112.84x = 481,920,948.23
  5. Step 5: Solve for x
    x = 481,920,948.23/31,112.84
  6. Step 6: Final answer
    x = 15,489.46

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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.