Home / 40,291.98-60,457.77-18,121.02

Finding the Fourth Proportional to 40,291.98, 60,457.77 and 18,121.02

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Solution

The fourth proportional to 40,291.98, 60,457.77 and 18,121.02 is: 27,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.98 : 60,457.77 = 18,121.02 : x
  2. Step 2: Convert to fraction form
    40,291.98/60,457.77 = 18,121.02/x
  3. Step 3: Cross multiply
    40,291.98x = 60,457.77 × 18,121.02
  4. Step 4: Simplify right side
    40,291.98x = 1,095,556,459.33
  5. Step 5: Solve for x
    x = 1,095,556,459.33/40,291.98
  6. Step 6: Final answer
    x = 27,190.43

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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.