Home / 57,409.02-86,033.34-27,819

Finding the Fourth Proportional to 57,409.02, 86,033.34 and 27,819

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Solution

The fourth proportional to 57,409.02, 86,033.34 and 27,819 is: 41,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,409.02 : 86,033.34 = 27,819 : x
  2. Step 2: Convert to fraction form
    57,409.02/86,033.34 = 27,819/x
  3. Step 3: Cross multiply
    57,409.02x = 86,033.34 × 27,819
  4. Step 4: Simplify right side
    57,409.02x = 2,393,361,485.46
  5. Step 5: Solve for x
    x = 2,393,361,485.46/57,409.02
  6. Step 6: Final answer
    x = 41,689.64

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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.