Home / 41,868.20-57,746.30-28,968.95

Finding the Fourth Proportional to 41,868.20, 57,746.30 and 28,968.95

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Solution

The fourth proportional to 41,868.20, 57,746.30 and 28,968.95 is: 39,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,868.20 : 57,746.30 = 28,968.95 : x
  2. Step 2: Convert to fraction form
    41,868.20/57,746.30 = 28,968.95/x
  3. Step 3: Cross multiply
    41,868.20x = 57,746.30 × 28,968.95
  4. Step 4: Simplify right side
    41,868.20x = 1,672,849,677.39
  5. Step 5: Solve for x
    x = 1,672,849,677.39/41,868.20
  6. Step 6: Final answer
    x = 39,955.14

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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.