Home / 31,413.06-47,125.43-10,354.58

Finding the Fourth Proportional to 31,413.06, 47,125.43 and 10,354.58

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Solution

The fourth proportional to 31,413.06, 47,125.43 and 10,354.58 is: 15,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.06 : 47,125.43 = 10,354.58 : x
  2. Step 2: Convert to fraction form
    31,413.06/47,125.43 = 10,354.58/x
  3. Step 3: Cross multiply
    31,413.06x = 47,125.43 × 10,354.58
  4. Step 4: Simplify right side
    31,413.06x = 487,963,983.20
  5. Step 5: Solve for x
    x = 487,963,983.20/31,413.06
  6. Step 6: Final answer
    x = 15,533.79

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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.