Home / 39,019.80-58,560.18-15,661.56

Finding the Fourth Proportional to 39,019.80, 58,560.18 and 15,661.56

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Solution

The fourth proportional to 39,019.80, 58,560.18 and 15,661.56 is: 23,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019.80 : 58,560.18 = 15,661.56 : x
  2. Step 2: Convert to fraction form
    39,019.80/58,560.18 = 15,661.56/x
  3. Step 3: Cross multiply
    39,019.80x = 58,560.18 × 15,661.56
  4. Step 4: Simplify right side
    39,019.80x = 917,143,772.68
  5. Step 5: Solve for x
    x = 917,143,772.68/39,019.80
  6. Step 6: Final answer
    x = 23,504.57

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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.