Home / 37,992.65-57,005.38-20,458.98

Finding the Fourth Proportional to 37,992.65, 57,005.38 and 20,458.98

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Solution

The fourth proportional to 37,992.65, 57,005.38 and 20,458.98 is: 30,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,992.65 : 57,005.38 = 20,458.98 : x
  2. Step 2: Convert to fraction form
    37,992.65/57,005.38 = 20,458.98/x
  3. Step 3: Cross multiply
    37,992.65x = 57,005.38 × 20,458.98
  4. Step 4: Simplify right side
    37,992.65x = 1,166,271,969.53
  5. Step 5: Solve for x
    x = 1,166,271,969.53/37,992.65
  6. Step 6: Final answer
    x = 30,697.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.