Home / 36,693.81-55,037.88-20,049.12

Finding the Fourth Proportional to 36,693.81, 55,037.88 and 20,049.12

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Solution

The fourth proportional to 36,693.81, 55,037.88 and 20,049.12 is: 30,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693.81 : 55,037.88 = 20,049.12 : x
  2. Step 2: Convert to fraction form
    36,693.81/55,037.88 = 20,049.12/x
  3. Step 3: Cross multiply
    36,693.81x = 55,037.88 × 20,049.12
  4. Step 4: Simplify right side
    36,693.81x = 1,103,461,060.67
  5. Step 5: Solve for x
    x = 1,103,461,060.67/36,693.81
  6. Step 6: Final answer
    x = 30,072.13

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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.