Home / 39,419.75-59,154.99-15,723.25

Finding the Fourth Proportional to 39,419.75, 59,154.99 and 15,723.25

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Solution

The fourth proportional to 39,419.75, 59,154.99 and 15,723.25 is: 23,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419.75 : 59,154.99 = 15,723.25 : x
  2. Step 2: Convert to fraction form
    39,419.75/59,154.99 = 15,723.25/x
  3. Step 3: Cross multiply
    39,419.75x = 59,154.99 × 15,723.25
  4. Step 4: Simplify right side
    39,419.75x = 930,108,696.52
  5. Step 5: Solve for x
    x = 930,108,696.52/39,419.75
  6. Step 6: Final answer
    x = 23,594.99

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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.