Home / 37,281.45-51,447.75-20,285.12

Finding the Fourth Proportional to 37,281.45, 51,447.75 and 20,285.12

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Solution

The fourth proportional to 37,281.45, 51,447.75 and 20,285.12 is: 27,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,281.45 : 51,447.75 = 20,285.12 : x
  2. Step 2: Convert to fraction form
    37,281.45/51,447.75 = 20,285.12/x
  3. Step 3: Cross multiply
    37,281.45x = 51,447.75 × 20,285.12
  4. Step 4: Simplify right side
    37,281.45x = 1,043,623,782.48
  5. Step 5: Solve for x
    x = 1,043,623,782.48/37,281.45
  6. Step 6: Final answer
    x = 27,993.11

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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.