Home / 38,099.18-57,152.54-13,135.95

Finding the Fourth Proportional to 38,099.18, 57,152.54 and 13,135.95

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Solution

The fourth proportional to 38,099.18, 57,152.54 and 13,135.95 is: 19,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,099.18 : 57,152.54 = 13,135.95 : x
  2. Step 2: Convert to fraction form
    38,099.18/57,152.54 = 13,135.95/x
  3. Step 3: Cross multiply
    38,099.18x = 57,152.54 × 13,135.95
  4. Step 4: Simplify right side
    38,099.18x = 750,752,907.81
  5. Step 5: Solve for x
    x = 750,752,907.81/38,099.18
  6. Step 6: Final answer
    x = 19,705.22

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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.