Home / 31,055.50-46,590.54-10,279

Finding the Fourth Proportional to 31,055.50, 46,590.54 and 10,279

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Solution

The fourth proportional to 31,055.50, 46,590.54 and 10,279 is: 15,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,055.50 : 46,590.54 = 10,279 : x
  2. Step 2: Convert to fraction form
    31,055.50/46,590.54 = 10,279/x
  3. Step 3: Cross multiply
    31,055.50x = 46,590.54 × 10,279
  4. Step 4: Simplify right side
    31,055.50x = 478,904,160.66
  5. Step 5: Solve for x
    x = 478,904,160.66/31,055.50
  6. Step 6: Final answer
    x = 15,420.91

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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.