Home / 57,975.30-86,967-18,535.50

Finding the Fourth Proportional to 57,975.30, 86,967 and 18,535.50

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Solution

The fourth proportional to 57,975.30, 86,967 and 18,535.50 is: 27,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,975.30 : 86,967 = 18,535.50 : x
  2. Step 2: Convert to fraction form
    57,975.30/86,967 = 18,535.50/x
  3. Step 3: Cross multiply
    57,975.30x = 86,967 × 18,535.50
  4. Step 4: Simplify right side
    57,975.30x = 1,611,976,828.50
  5. Step 5: Solve for x
    x = 1,611,976,828.50/57,975.30
  6. Step 6: Final answer
    x = 27,804.54

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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.