Home / 39,391.52-59,056.97-20,395.79

Finding the Fourth Proportional to 39,391.52, 59,056.97 and 20,395.79

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Solution

The fourth proportional to 39,391.52, 59,056.97 and 20,395.79 is: 30,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.52 : 59,056.97 = 20,395.79 : x
  2. Step 2: Convert to fraction form
    39,391.52/59,056.97 = 20,395.79/x
  3. Step 3: Cross multiply
    39,391.52x = 59,056.97 × 20,395.79
  4. Step 4: Simplify right side
    39,391.52x = 1,204,513,160.89
  5. Step 5: Solve for x
    x = 1,204,513,160.89/39,391.52
  6. Step 6: Final answer
    x = 30,577.99

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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.