Home / 30,719.16-46,084.90-9,664.50

Finding the Fourth Proportional to 30,719.16, 46,084.90 and 9,664.50

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Solution

The fourth proportional to 30,719.16, 46,084.90 and 9,664.50 is: 14,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.16 : 46,084.90 = 9,664.50 : x
  2. Step 2: Convert to fraction form
    30,719.16/46,084.90 = 9,664.50/x
  3. Step 3: Cross multiply
    30,719.16x = 46,084.90 × 9,664.50
  4. Step 4: Simplify right side
    30,719.16x = 445,387,516.05
  5. Step 5: Solve for x
    x = 445,387,516.05/30,719.16
  6. Step 6: Final answer
    x = 14,498.69

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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.