Home / 31,222.81-46,829.61-11,496.79

Finding the Fourth Proportional to 31,222.81, 46,829.61 and 11,496.79

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Solution

The fourth proportional to 31,222.81, 46,829.61 and 11,496.79 is: 17,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,222.81 : 46,829.61 = 11,496.79 : x
  2. Step 2: Convert to fraction form
    31,222.81/46,829.61 = 11,496.79/x
  3. Step 3: Cross multiply
    31,222.81x = 46,829.61 × 11,496.79
  4. Step 4: Simplify right side
    31,222.81x = 538,390,191.95
  5. Step 5: Solve for x
    x = 538,390,191.95/31,222.81
  6. Step 6: Final answer
    x = 17,243.49

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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.