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Finding the Fourth Proportional to 37,804.99, 52,171.08 and 20,810.94

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Solution

The fourth proportional to 37,804.99, 52,171.08 and 20,810.94 is: 28,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,804.99 : 52,171.08 = 20,810.94 : x
  2. Step 2: Convert to fraction form
    37,804.99/52,171.08 = 20,810.94/x
  3. Step 3: Cross multiply
    37,804.99x = 52,171.08 × 20,810.94
  4. Step 4: Simplify right side
    37,804.99x = 1,085,729,333.22
  5. Step 5: Solve for x
    x = 1,085,729,333.22/37,804.99
  6. Step 6: Final answer
    x = 28,719.21

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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.