Home / 30,691.81-46,039.67-9,632.69

Finding the Fourth Proportional to 30,691.81, 46,039.67 and 9,632.69

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Solution

The fourth proportional to 30,691.81, 46,039.67 and 9,632.69 is: 14,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,691.81 : 46,039.67 = 9,632.69 : x
  2. Step 2: Convert to fraction form
    30,691.81/46,039.67 = 9,632.69/x
  3. Step 3: Cross multiply
    30,691.81x = 46,039.67 × 9,632.69
  4. Step 4: Simplify right side
    30,691.81x = 443,485,868.81
  5. Step 5: Solve for x
    x = 443,485,868.81/30,691.81
  6. Step 6: Final answer
    x = 14,449.65

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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.