Home / 30,009.20-41,413.13-16,580.77

Finding the Fourth Proportional to 30,009.20, 41,413.13 and 16,580.77

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Solution

The fourth proportional to 30,009.20, 41,413.13 and 16,580.77 is: 22,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.20 : 41,413.13 = 16,580.77 : x
  2. Step 2: Convert to fraction form
    30,009.20/41,413.13 = 16,580.77/x
  3. Step 3: Cross multiply
    30,009.20x = 41,413.13 × 16,580.77
  4. Step 4: Simplify right side
    30,009.20x = 686,661,583.51
  5. Step 5: Solve for x
    x = 686,661,583.51/30,009.20
  6. Step 6: Final answer
    x = 22,881.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.