Home / 39,399.75-59,099.49-9,817.61

Finding the Fourth Proportional to 39,399.75, 59,099.49 and 9,817.61

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Solution

The fourth proportional to 39,399.75, 59,099.49 and 9,817.61 is: 14,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,399.75 : 59,099.49 = 9,817.61 : x
  2. Step 2: Convert to fraction form
    39,399.75/59,099.49 = 9,817.61/x
  3. Step 3: Cross multiply
    39,399.75x = 59,099.49 × 9,817.61
  4. Step 4: Simplify right side
    39,399.75x = 580,215,448.52
  5. Step 5: Solve for x
    x = 580,215,448.52/39,399.75
  6. Step 6: Final answer
    x = 14,726.37

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1.5x scale

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.