Home / 31,280.62-46,902.38-12,569.54

Finding the Fourth Proportional to 31,280.62, 46,902.38 and 12,569.54

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Solution

The fourth proportional to 31,280.62, 46,902.38 and 12,569.54 is: 18,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.62 : 46,902.38 = 12,569.54 : x
  2. Step 2: Convert to fraction form
    31,280.62/46,902.38 = 12,569.54/x
  3. Step 3: Cross multiply
    31,280.62x = 46,902.38 × 12,569.54
  4. Step 4: Simplify right side
    31,280.62x = 589,541,341.51
  5. Step 5: Solve for x
    x = 589,541,341.51/31,280.62
  6. Step 6: Final answer
    x = 18,846.86

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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.