Home / 37,406.75-51,622.40-20,640.83

Finding the Fourth Proportional to 37,406.75, 51,622.40 and 20,640.83

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Solution

The fourth proportional to 37,406.75, 51,622.40 and 20,640.83 is: 28,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,406.75 : 51,622.40 = 20,640.83 : x
  2. Step 2: Convert to fraction form
    37,406.75/51,622.40 = 20,640.83/x
  3. Step 3: Cross multiply
    37,406.75x = 51,622.40 × 20,640.83
  4. Step 4: Simplify right side
    37,406.75x = 1,065,529,182.59
  5. Step 5: Solve for x
    x = 1,065,529,182.59/37,406.75
  6. Step 6: Final answer
    x = 28,484.94

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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.