Home / 36,038.32-49,735.19-20,122.76

Finding the Fourth Proportional to 36,038.32, 49,735.19 and 20,122.76

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Solution

The fourth proportional to 36,038.32, 49,735.19 and 20,122.76 is: 27,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.32 : 49,735.19 = 20,122.76 : x
  2. Step 2: Convert to fraction form
    36,038.32/49,735.19 = 20,122.76/x
  3. Step 3: Cross multiply
    36,038.32x = 49,735.19 × 20,122.76
  4. Step 4: Simplify right side
    36,038.32x = 1,000,809,466.57
  5. Step 5: Solve for x
    x = 1,000,809,466.57/36,038.32
  6. Step 6: Final answer
    x = 27,770.70

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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.