Home / 53,413.21-80,120.07-13,970.41

Finding the Fourth Proportional to 53,413.21, 80,120.07 and 13,970.41

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Solution

The fourth proportional to 53,413.21, 80,120.07 and 13,970.41 is: 20,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,413.21 : 80,120.07 = 13,970.41 : x
  2. Step 2: Convert to fraction form
    53,413.21/80,120.07 = 13,970.41/x
  3. Step 3: Cross multiply
    53,413.21x = 80,120.07 × 13,970.41
  4. Step 4: Simplify right side
    53,413.21x = 1,119,310,227.13
  5. Step 5: Solve for x
    x = 1,119,310,227.13/53,413.21
  6. Step 6: Final answer
    x = 20,955.68

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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.