Home / 31,413.86-47,126.55-10,355.13

Finding the Fourth Proportional to 31,413.86, 47,126.55 and 10,355.13

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Solution

The fourth proportional to 31,413.86, 47,126.55 and 10,355.13 is: 15,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.86 : 47,126.55 = 10,355.13 : x
  2. Step 2: Convert to fraction form
    31,413.86/47,126.55 = 10,355.13/x
  3. Step 3: Cross multiply
    31,413.86x = 47,126.55 × 10,355.13
  4. Step 4: Simplify right side
    31,413.86x = 488,001,551.70
  5. Step 5: Solve for x
    x = 488,001,551.70/31,413.86
  6. Step 6: Final answer
    x = 15,534.60

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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.