Home / 40,057.88-55,278.96-22,153.03

Finding the Fourth Proportional to 40,057.88, 55,278.96 and 22,153.03

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Solution

The fourth proportional to 40,057.88, 55,278.96 and 22,153.03 is: 30,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,057.88 : 55,278.96 = 22,153.03 : x
  2. Step 2: Convert to fraction form
    40,057.88/55,278.96 = 22,153.03/x
  3. Step 3: Cross multiply
    40,057.88x = 55,278.96 × 22,153.03
  4. Step 4: Simplify right side
    40,057.88x = 1,224,596,237.98
  5. Step 5: Solve for x
    x = 1,224,596,237.98/40,057.88
  6. Step 6: Final answer
    x = 30,570.67

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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.