Home / 57,986.42-86,985.06-18,534.14

Finding the Fourth Proportional to 57,986.42, 86,985.06 and 18,534.14

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Solution

The fourth proportional to 57,986.42, 86,985.06 and 18,534.14 is: 27,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.42 : 86,985.06 = 18,534.14 : x
  2. Step 2: Convert to fraction form
    57,986.42/86,985.06 = 18,534.14/x
  3. Step 3: Cross multiply
    57,986.42x = 86,985.06 × 18,534.14
  4. Step 4: Simplify right side
    57,986.42x = 1,612,193,279.95
  5. Step 5: Solve for x
    x = 1,612,193,279.95/57,986.42
  6. Step 6: Final answer
    x = 27,802.95

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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.