Home / 31,256.13-43,133.87-17,108.67

Finding the Fourth Proportional to 31,256.13, 43,133.87 and 17,108.67

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Solution

The fourth proportional to 31,256.13, 43,133.87 and 17,108.67 is: 23,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.13 : 43,133.87 = 17,108.67 : x
  2. Step 2: Convert to fraction form
    31,256.13/43,133.87 = 17,108.67/x
  3. Step 3: Cross multiply
    31,256.13x = 43,133.87 × 17,108.67
  4. Step 4: Simplify right side
    31,256.13x = 737,963,147.65
  5. Step 5: Solve for x
    x = 737,963,147.65/31,256.13
  6. Step 6: Final answer
    x = 23,610.19

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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.