Home / 36,938.70-55,415.34-10,643.67

Finding the Fourth Proportional to 36,938.70, 55,415.34 and 10,643.67

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Solution

The fourth proportional to 36,938.70, 55,415.34 and 10,643.67 is: 15,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,938.70 : 55,415.34 = 10,643.67 : x
  2. Step 2: Convert to fraction form
    36,938.70/55,415.34 = 10,643.67/x
  3. Step 3: Cross multiply
    36,938.70x = 55,415.34 × 10,643.67
  4. Step 4: Simplify right side
    36,938.70x = 589,822,591.90
  5. Step 5: Solve for x
    x = 589,822,591.90/36,938.70
  6. Step 6: Final answer
    x = 15,967.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.