Home / 49,847.81-74,741.64-19,866.67

Finding the Fourth Proportional to 49,847.81, 74,741.64 and 19,866.67

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Solution

The fourth proportional to 49,847.81, 74,741.64 and 19,866.67 is: 29,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,847.81 : 74,741.64 = 19,866.67 : x
  2. Step 2: Convert to fraction form
    49,847.81/74,741.64 = 19,866.67/x
  3. Step 3: Cross multiply
    49,847.81x = 74,741.64 × 19,866.67
  4. Step 4: Simplify right side
    49,847.81x = 1,484,867,403.41
  5. Step 5: Solve for x
    x = 1,484,867,403.41/49,847.81
  6. Step 6: Final answer
    x = 29,788.01

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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.