Home / 37,589.79-51,871.68-20,590.64

Finding the Fourth Proportional to 37,589.79, 51,871.68 and 20,590.64

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Solution

The fourth proportional to 37,589.79, 51,871.68 and 20,590.64 is: 28,413.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,589.79 : 51,871.68 = 20,590.64 : x
  2. Step 2: Convert to fraction form
    37,589.79/51,871.68 = 20,590.64/x
  3. Step 3: Cross multiply
    37,589.79x = 51,871.68 × 20,590.64
  4. Step 4: Simplify right side
    37,589.79x = 1,068,071,089.08
  5. Step 5: Solve for x
    x = 1,068,071,089.08/37,589.79
  6. Step 6: Final answer
    x = 28,413.86

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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.