Home / 39,962.60-59,946.87-10,380.59

Finding the Fourth Proportional to 39,962.60, 59,946.87 and 10,380.59

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Solution

The fourth proportional to 39,962.60, 59,946.87 and 10,380.59 is: 15,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962.60 : 59,946.87 = 10,380.59 : x
  2. Step 2: Convert to fraction form
    39,962.60/59,946.87 = 10,380.59/x
  3. Step 3: Cross multiply
    39,962.60x = 59,946.87 × 10,380.59
  4. Step 4: Simplify right side
    39,962.60x = 622,283,579.52
  5. Step 5: Solve for x
    x = 622,283,579.52/39,962.60
  6. Step 6: Final answer
    x = 15,571.65

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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.