Home / 31,607.96-47,396.88-9,413.55

Finding the Fourth Proportional to 31,607.96, 47,396.88 and 9,413.55

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Solution

The fourth proportional to 31,607.96, 47,396.88 and 9,413.55 is: 14,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,607.96 : 47,396.88 = 9,413.55 : x
  2. Step 2: Convert to fraction form
    31,607.96/47,396.88 = 9,413.55/x
  3. Step 3: Cross multiply
    31,607.96x = 47,396.88 × 9,413.55
  4. Step 4: Simplify right side
    31,607.96x = 446,172,899.72
  5. Step 5: Solve for x
    x = 446,172,899.72/31,607.96
  6. Step 6: Final answer
    x = 14,115.84

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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.