Home / 36,312.45-50,113.53-20,181.57

Finding the Fourth Proportional to 36,312.45, 50,113.53 and 20,181.57

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Solution

The fourth proportional to 36,312.45, 50,113.53 and 20,181.57 is: 27,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.45 : 50,113.53 = 20,181.57 : x
  2. Step 2: Convert to fraction form
    36,312.45/50,113.53 = 20,181.57/x
  3. Step 3: Cross multiply
    36,312.45x = 50,113.53 × 20,181.57
  4. Step 4: Simplify right side
    36,312.45x = 1,011,369,713.64
  5. Step 5: Solve for x
    x = 1,011,369,713.64/36,312.45
  6. Step 6: Final answer
    x = 27,851.87

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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.