Home / 56,004.38-83,980.13-20,441.03

Finding the Fourth Proportional to 56,004.38, 83,980.13 and 20,441.03

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Solution

The fourth proportional to 56,004.38, 83,980.13 and 20,441.03 is: 30,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,004.38 : 83,980.13 = 20,441.03 : x
  2. Step 2: Convert to fraction form
    56,004.38/83,980.13 = 20,441.03/x
  3. Step 3: Cross multiply
    56,004.38x = 83,980.13 × 20,441.03
  4. Step 4: Simplify right side
    56,004.38x = 1,716,639,834.63
  5. Step 5: Solve for x
    x = 1,716,639,834.63/56,004.38
  6. Step 6: Final answer
    x = 30,651.89

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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.