Home / 31,911.53-44,009.24-19,975.95

Finding the Fourth Proportional to 31,911.53, 44,009.24 and 19,975.95

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Solution

The fourth proportional to 31,911.53, 44,009.24 and 19,975.95 is: 27,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.53 : 44,009.24 = 19,975.95 : x
  2. Step 2: Convert to fraction form
    31,911.53/44,009.24 = 19,975.95/x
  3. Step 3: Cross multiply
    31,911.53x = 44,009.24 × 19,975.95
  4. Step 4: Simplify right side
    31,911.53x = 879,126,277.90
  5. Step 5: Solve for x
    x = 879,126,277.90/31,911.53
  6. Step 6: Final answer
    x = 27,548.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.