Home / 30,581.75-45,861.62-10,585.81

Finding the Fourth Proportional to 30,581.75, 45,861.62 and 10,585.81

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Solution

The fourth proportional to 30,581.75, 45,861.62 and 10,585.81 is: 15,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.75 : 45,861.62 = 10,585.81 : x
  2. Step 2: Convert to fraction form
    30,581.75/45,861.62 = 10,585.81/x
  3. Step 3: Cross multiply
    30,581.75x = 45,861.62 × 10,585.81
  4. Step 4: Simplify right side
    30,581.75x = 485,482,228.03
  5. Step 5: Solve for x
    x = 485,482,228.03/30,581.75
  6. Step 6: Final answer
    x = 15,874.90

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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.