Home / 38,986.40-58,483.30-10,906.46

Finding the Fourth Proportional to 38,986.40, 58,483.30 and 10,906.46

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Solution

The fourth proportional to 38,986.40, 58,483.30 and 10,906.46 is: 16,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986.40 : 58,483.30 = 10,906.46 : x
  2. Step 2: Convert to fraction form
    38,986.40/58,483.30 = 10,906.46/x
  3. Step 3: Cross multiply
    38,986.40x = 58,483.30 × 10,906.46
  4. Step 4: Simplify right side
    38,986.40x = 637,845,772.12
  5. Step 5: Solve for x
    x = 637,845,772.12/38,986.40
  6. Step 6: Final answer
    x = 16,360.73

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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.