Home / 47,918.94-71,875.95-18,334.50

Finding the Fourth Proportional to 47,918.94, 71,875.95 and 18,334.50

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Solution

The fourth proportional to 47,918.94, 71,875.95 and 18,334.50 is: 27,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,918.94 : 71,875.95 = 18,334.50 : x
  2. Step 2: Convert to fraction form
    47,918.94/71,875.95 = 18,334.50/x
  3. Step 3: Cross multiply
    47,918.94x = 71,875.95 × 18,334.50
  4. Step 4: Simplify right side
    47,918.94x = 1,317,809,605.28
  5. Step 5: Solve for x
    x = 1,317,809,605.28/47,918.94
  6. Step 6: Final answer
    x = 27,500.81

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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.