Home / 37,413.09-51,631.15-20,418.42

Finding the Fourth Proportional to 37,413.09, 51,631.15 and 20,418.42

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Solution

The fourth proportional to 37,413.09, 51,631.15 and 20,418.42 is: 28,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,413.09 : 51,631.15 = 20,418.42 : x
  2. Step 2: Convert to fraction form
    37,413.09/51,631.15 = 20,418.42/x
  3. Step 3: Cross multiply
    37,413.09x = 51,631.15 × 20,418.42
  4. Step 4: Simplify right side
    37,413.09x = 1,054,226,403.69
  5. Step 5: Solve for x
    x = 1,054,226,403.69/37,413.09
  6. Step 6: Final answer
    x = 28,178.01

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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.