Home / 31,413.34-47,125.85-10,354.86

Finding the Fourth Proportional to 31,413.34, 47,125.85 and 10,354.86

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Solution

The fourth proportional to 31,413.34, 47,125.85 and 10,354.86 is: 15,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.34 : 47,125.85 = 10,354.86 : x
  2. Step 2: Convert to fraction form
    31,413.34/47,125.85 = 10,354.86/x
  3. Step 3: Cross multiply
    31,413.34x = 47,125.85 × 10,354.86
  4. Step 4: Simplify right side
    31,413.34x = 487,981,527.36
  5. Step 5: Solve for x
    x = 487,981,527.36/31,413.34
  6. Step 6: Final answer
    x = 15,534.21

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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.