Home / 31,627.07-47,448.82-9,440.45

Finding the Fourth Proportional to 31,627.07, 47,448.82 and 9,440.45

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Solution

The fourth proportional to 31,627.07, 47,448.82 and 9,440.45 is: 14,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.07 : 47,448.82 = 9,440.45 : x
  2. Step 2: Convert to fraction form
    31,627.07/47,448.82 = 9,440.45/x
  3. Step 3: Cross multiply
    31,627.07x = 47,448.82 × 9,440.45
  4. Step 4: Simplify right side
    31,627.07x = 447,938,212.77
  5. Step 5: Solve for x
    x = 447,938,212.77/31,627.07
  6. Step 6: Final answer
    x = 14,163.13

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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.