Home / 29,931.41-41,307.81-16,505.30

Finding the Fourth Proportional to 29,931.41, 41,307.81 and 16,505.30

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Solution

The fourth proportional to 29,931.41, 41,307.81 and 16,505.30 is: 22,778.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.41 : 41,307.81 = 16,505.30 : x
  2. Step 2: Convert to fraction form
    29,931.41/41,307.81 = 16,505.30/x
  3. Step 3: Cross multiply
    29,931.41x = 41,307.81 × 16,505.30
  4. Step 4: Simplify right side
    29,931.41x = 681,797,796.39
  5. Step 5: Solve for x
    x = 681,797,796.39/29,931.41
  6. Step 6: Final answer
    x = 22,778.67

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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.