Home / 54,277.02-81,421.00-18,733.61

Finding the Fourth Proportional to 54,277.02, 81,421.00 and 18,733.61

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Solution

The fourth proportional to 54,277.02, 81,421.00 and 18,733.61 is: 28,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,277.02 : 81,421.00 = 18,733.61 : x
  2. Step 2: Convert to fraction form
    54,277.02/81,421.00 = 18,733.61/x
  3. Step 3: Cross multiply
    54,277.02x = 81,421.00 × 18,733.61
  4. Step 4: Simplify right side
    54,277.02x = 1,525,309,416.53
  5. Step 5: Solve for x
    x = 1,525,309,416.53/54,277.02
  6. Step 6: Final answer
    x = 28,102.31

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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.