Home / 35,640.05-49,182.64-20,532.67

Finding the Fourth Proportional to 35,640.05, 49,182.64 and 20,532.67

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Solution

The fourth proportional to 35,640.05, 49,182.64 and 20,532.67 is: 28,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640.05 : 49,182.64 = 20,532.67 : x
  2. Step 2: Convert to fraction form
    35,640.05/49,182.64 = 20,532.67/x
  3. Step 3: Cross multiply
    35,640.05x = 49,182.64 × 20,532.67
  4. Step 4: Simplify right side
    35,640.05x = 1,009,850,916.85
  5. Step 5: Solve for x
    x = 1,009,850,916.85/35,640.05
  6. Step 6: Final answer
    x = 28,334.72

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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.