Home / 31,186.62-46,762.11-18,541.71

Finding the Fourth Proportional to 31,186.62, 46,762.11 and 18,541.71

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Solution

The fourth proportional to 31,186.62, 46,762.11 and 18,541.71 is: 27,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.62 : 46,762.11 = 18,541.71 : x
  2. Step 2: Convert to fraction form
    31,186.62/46,762.11 = 18,541.71/x
  3. Step 3: Cross multiply
    31,186.62x = 46,762.11 × 18,541.71
  4. Step 4: Simplify right side
    31,186.62x = 867,049,482.61
  5. Step 5: Solve for x
    x = 867,049,482.61/31,186.62
  6. Step 6: Final answer
    x = 27,801.97

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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.