Home / 31,113.45-46,633.25-17,938.60

Finding the Fourth Proportional to 31,113.45, 46,633.25 and 17,938.60

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Solution

The fourth proportional to 31,113.45, 46,633.25 and 17,938.60 is: 26,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,113.45 : 46,633.25 = 17,938.60 : x
  2. Step 2: Convert to fraction form
    31,113.45/46,633.25 = 17,938.60/x
  3. Step 3: Cross multiply
    31,113.45x = 46,633.25 × 17,938.60
  4. Step 4: Simplify right side
    31,113.45x = 836,535,146.71
  5. Step 5: Solve for x
    x = 836,535,146.71/31,113.45
  6. Step 6: Final answer
    x = 26,886.61

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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.