Home / 31,413.58-47,119.71-10,354.88

Finding the Fourth Proportional to 31,413.58, 47,119.71 and 10,354.88

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Solution

The fourth proportional to 31,413.58, 47,119.71 and 10,354.88 is: 15,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.58 : 47,119.71 = 10,354.88 : x
  2. Step 2: Convert to fraction form
    31,413.58/47,119.71 = 10,354.88/x
  3. Step 3: Cross multiply
    31,413.58x = 47,119.71 × 10,354.88
  4. Step 4: Simplify right side
    31,413.58x = 487,918,942.68
  5. Step 5: Solve for x
    x = 487,918,942.68/31,413.58
  6. Step 6: Final answer
    x = 15,532.10

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1.5x scale

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.