Home / 38,868.66-58,311.63-11,164.50

Finding the Fourth Proportional to 38,868.66, 58,311.63 and 11,164.50

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Solution

The fourth proportional to 38,868.66, 58,311.63 and 11,164.50 is: 16,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,868.66 : 58,311.63 = 11,164.50 : x
  2. Step 2: Convert to fraction form
    38,868.66/58,311.63 = 11,164.50/x
  3. Step 3: Cross multiply
    38,868.66x = 58,311.63 × 11,164.50
  4. Step 4: Simplify right side
    38,868.66x = 651,020,193.14
  5. Step 5: Solve for x
    x = 651,020,193.14/38,868.66
  6. Step 6: Final answer
    x = 16,749.23

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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.