Home / 39,853.08-55,012.16-26,428.83

Finding the Fourth Proportional to 39,853.08, 55,012.16 and 26,428.83

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Solution

The fourth proportional to 39,853.08, 55,012.16 and 26,428.83 is: 36,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.08 : 55,012.16 = 26,428.83 : x
  2. Step 2: Convert to fraction form
    39,853.08/55,012.16 = 26,428.83/x
  3. Step 3: Cross multiply
    39,853.08x = 55,012.16 × 26,428.83
  4. Step 4: Simplify right side
    39,853.08x = 1,453,907,024.57
  5. Step 5: Solve for x
    x = 1,453,907,024.57/39,853.08
  6. Step 6: Final answer
    x = 36,481.67

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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.