Home / 31,134.56-46,701.52-18,658.08

Finding the Fourth Proportional to 31,134.56, 46,701.52 and 18,658.08

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Solution

The fourth proportional to 31,134.56, 46,701.52 and 18,658.08 is: 27,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,134.56 : 46,701.52 = 18,658.08 : x
  2. Step 2: Convert to fraction form
    31,134.56/46,701.52 = 18,658.08/x
  3. Step 3: Cross multiply
    31,134.56x = 46,701.52 × 18,658.08
  4. Step 4: Simplify right side
    31,134.56x = 871,360,696.28
  5. Step 5: Solve for x
    x = 871,360,696.28/31,134.56
  6. Step 6: Final answer
    x = 27,986.93

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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.