Home / 31,413.56-47,126.18-10,355.08

Finding the Fourth Proportional to 31,413.56, 47,126.18 and 10,355.08

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Solution

The fourth proportional to 31,413.56, 47,126.18 and 10,355.08 is: 15,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.56 : 47,126.18 = 10,355.08 : x
  2. Step 2: Convert to fraction form
    31,413.56/47,126.18 = 10,355.08/x
  3. Step 3: Cross multiply
    31,413.56x = 47,126.18 × 10,355.08
  4. Step 4: Simplify right side
    31,413.56x = 487,995,363.99
  5. Step 5: Solve for x
    x = 487,995,363.99/31,413.56
  6. Step 6: Final answer
    x = 15,534.55

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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.