Home / 29,897.42-41,250.23-20,812.60

Finding the Fourth Proportional to 29,897.42, 41,250.23 and 20,812.60

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Solution

The fourth proportional to 29,897.42, 41,250.23 and 20,812.60 is: 28,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,897.42 : 41,250.23 = 20,812.60 : x
  2. Step 2: Convert to fraction form
    29,897.42/41,250.23 = 20,812.60/x
  3. Step 3: Cross multiply
    29,897.42x = 41,250.23 × 20,812.60
  4. Step 4: Simplify right side
    29,897.42x = 858,524,432.84
  5. Step 5: Solve for x
    x = 858,524,432.84/29,897.42
  6. Step 6: Final answer
    x = 28,715.67

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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.