Home / 36,685.14-55,049.57-13,313.40

Finding the Fourth Proportional to 36,685.14, 55,049.57 and 13,313.40

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Solution

The fourth proportional to 36,685.14, 55,049.57 and 13,313.40 is: 19,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.14 : 55,049.57 = 13,313.40 : x
  2. Step 2: Convert to fraction form
    36,685.14/55,049.57 = 13,313.40/x
  3. Step 3: Cross multiply
    36,685.14x = 55,049.57 × 13,313.40
  4. Step 4: Simplify right side
    36,685.14x = 732,896,945.24
  5. Step 5: Solve for x
    x = 732,896,945.24/36,685.14
  6. Step 6: Final answer
    x = 19,978.03

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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.