Home / 28,964.10-43,371.69-20,066.76

Finding the Fourth Proportional to 28,964.10, 43,371.69 and 20,066.76

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Solution

The fourth proportional to 28,964.10, 43,371.69 and 20,066.76 is: 30,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.10 : 43,371.69 = 20,066.76 : x
  2. Step 2: Convert to fraction form
    28,964.10/43,371.69 = 20,066.76/x
  3. Step 3: Cross multiply
    28,964.10x = 43,371.69 × 20,066.76
  4. Step 4: Simplify right side
    28,964.10x = 870,329,218.77
  5. Step 5: Solve for x
    x = 870,329,218.77/28,964.10
  6. Step 6: Final answer
    x = 30,048.55

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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.