Home / 37,890.36-52,289.01-20,895.21

Finding the Fourth Proportional to 37,890.36, 52,289.01 and 20,895.21

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Solution

The fourth proportional to 37,890.36, 52,289.01 and 20,895.21 is: 28,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,890.36 : 52,289.01 = 20,895.21 : x
  2. Step 2: Convert to fraction form
    37,890.36/52,289.01 = 20,895.21/x
  3. Step 3: Cross multiply
    37,890.36x = 52,289.01 × 20,895.21
  4. Step 4: Simplify right side
    37,890.36x = 1,092,589,844.64
  5. Step 5: Solve for x
    x = 1,092,589,844.64/37,890.36
  6. Step 6: Final answer
    x = 28,835.56

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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.