Home / 31,810.93-47,701.41-11,806.56

Finding the Fourth Proportional to 31,810.93, 47,701.41 and 11,806.56

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Solution

The fourth proportional to 31,810.93, 47,701.41 and 11,806.56 is: 17,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.93 : 47,701.41 = 11,806.56 : x
  2. Step 2: Convert to fraction form
    31,810.93/47,701.41 = 11,806.56/x
  3. Step 3: Cross multiply
    31,810.93x = 47,701.41 × 11,806.56
  4. Step 4: Simplify right side
    31,810.93x = 563,189,514.98
  5. Step 5: Solve for x
    x = 563,189,514.98/31,810.93
  6. Step 6: Final answer
    x = 17,704.28

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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.