Home / 37,720.08-52,051.68-20,952

Finding the Fourth Proportional to 37,720.08, 52,051.68 and 20,952

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Solution

The fourth proportional to 37,720.08, 52,051.68 and 20,952 is: 28,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720.08 : 52,051.68 = 20,952 : x
  2. Step 2: Convert to fraction form
    37,720.08/52,051.68 = 20,952/x
  3. Step 3: Cross multiply
    37,720.08x = 52,051.68 × 20,952
  4. Step 4: Simplify right side
    37,720.08x = 1,090,586,799.36
  5. Step 5: Solve for x
    x = 1,090,586,799.36/37,720.08
  6. Step 6: Final answer
    x = 28,912.63

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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.