Home / 57,518.07-86,312.96-21,982.56

Finding the Fourth Proportional to 57,518.07, 86,312.96 and 21,982.56

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Solution

The fourth proportional to 57,518.07, 86,312.96 and 21,982.56 is: 32,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,518.07 : 86,312.96 = 21,982.56 : x
  2. Step 2: Convert to fraction form
    57,518.07/86,312.96 = 21,982.56/x
  3. Step 3: Cross multiply
    57,518.07x = 86,312.96 × 21,982.56
  4. Step 4: Simplify right side
    57,518.07x = 1,897,379,712.06
  5. Step 5: Solve for x
    x = 1,897,379,712.06/57,518.07
  6. Step 6: Final answer
    x = 32,987.54

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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.