Home / 39,122.36-58,685.16-15,749

Finding the Fourth Proportional to 39,122.36, 58,685.16 and 15,749

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Solution

The fourth proportional to 39,122.36, 58,685.16 and 15,749 is: 23,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,122.36 : 58,685.16 = 15,749 : x
  2. Step 2: Convert to fraction form
    39,122.36/58,685.16 = 15,749/x
  3. Step 3: Cross multiply
    39,122.36x = 58,685.16 × 15,749
  4. Step 4: Simplify right side
    39,122.36x = 924,232,584.84
  5. Step 5: Solve for x
    x = 924,232,584.84/39,122.36
  6. Step 6: Final answer
    x = 23,624.15

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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.