Home / 37,280.40-51,447.48-20,285.16

Finding the Fourth Proportional to 37,280.40, 51,447.48 and 20,285.16

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Solution

The fourth proportional to 37,280.40, 51,447.48 and 20,285.16 is: 27,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,280.40 : 51,447.48 = 20,285.16 : x
  2. Step 2: Convert to fraction form
    37,280.40/51,447.48 = 20,285.16/x
  3. Step 3: Cross multiply
    37,280.40x = 51,447.48 × 20,285.16
  4. Step 4: Simplify right side
    37,280.40x = 1,043,620,363.40
  5. Step 5: Solve for x
    x = 1,043,620,363.40/37,280.40
  6. Step 6: Final answer
    x = 27,993.81

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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.