Home / 39,700.53-59,550.39-11,998.53

Finding the Fourth Proportional to 39,700.53, 59,550.39 and 11,998.53

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Solution

The fourth proportional to 39,700.53, 59,550.39 and 11,998.53 is: 17,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,700.53 : 59,550.39 = 11,998.53 : x
  2. Step 2: Convert to fraction form
    39,700.53/59,550.39 = 11,998.53/x
  3. Step 3: Cross multiply
    39,700.53x = 59,550.39 × 11,998.53
  4. Step 4: Simplify right side
    39,700.53x = 714,517,140.93
  5. Step 5: Solve for x
    x = 714,517,140.93/39,700.53
  6. Step 6: Final answer
    x = 17,997.67

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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.