Home / 48,918.71-73,390.22-13,858.67

Finding the Fourth Proportional to 48,918.71, 73,390.22 and 13,858.67

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Solution

The fourth proportional to 48,918.71, 73,390.22 and 13,858.67 is: 20,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,918.71 : 73,390.22 = 13,858.67 : x
  2. Step 2: Convert to fraction form
    48,918.71/73,390.22 = 13,858.67/x
  3. Step 3: Cross multiply
    48,918.71x = 73,390.22 × 13,858.67
  4. Step 4: Simplify right side
    48,918.71x = 1,017,090,840.21
  5. Step 5: Solve for x
    x = 1,017,090,840.21/48,918.71
  6. Step 6: Final answer
    x = 20,791.45

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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.