Home / 37,005.39-51,055.11-20,870.73

Finding the Fourth Proportional to 37,005.39, 51,055.11 and 20,870.73

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Solution

The fourth proportional to 37,005.39, 51,055.11 and 20,870.73 is: 28,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,005.39 : 51,055.11 = 20,870.73 : x
  2. Step 2: Convert to fraction form
    37,005.39/51,055.11 = 20,870.73/x
  3. Step 3: Cross multiply
    37,005.39x = 51,055.11 × 20,870.73
  4. Step 4: Simplify right side
    37,005.39x = 1,065,557,415.93
  5. Step 5: Solve for x
    x = 1,065,557,415.93/37,005.39
  6. Step 6: Final answer
    x = 28,794.65

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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.