Home / 39,757.68-59,621.76-11,670

Finding the Fourth Proportional to 39,757.68, 59,621.76 and 11,670

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Solution

The fourth proportional to 39,757.68, 59,621.76 and 11,670 is: 17,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.68 : 59,621.76 = 11,670 : x
  2. Step 2: Convert to fraction form
    39,757.68/59,621.76 = 11,670/x
  3. Step 3: Cross multiply
    39,757.68x = 59,621.76 × 11,670
  4. Step 4: Simplify right side
    39,757.68x = 695,785,939.20
  5. Step 5: Solve for x
    x = 695,785,939.20/39,757.68
  6. Step 6: Final answer
    x = 17,500.67

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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.