Home / 30,731.24-46,095.78-9,670.70

Finding the Fourth Proportional to 30,731.24, 46,095.78 and 9,670.70

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Solution

The fourth proportional to 30,731.24, 46,095.78 and 9,670.70 is: 14,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.24 : 46,095.78 = 9,670.70 : x
  2. Step 2: Convert to fraction form
    30,731.24/46,095.78 = 9,670.70/x
  3. Step 3: Cross multiply
    30,731.24x = 46,095.78 × 9,670.70
  4. Step 4: Simplify right side
    30,731.24x = 445,778,459.65
  5. Step 5: Solve for x
    x = 445,778,459.65/30,731.24
  6. Step 6: Final answer
    x = 14,505.71

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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.