Home / 54,385.63-81,594.24-19,328.02

Finding the Fourth Proportional to 54,385.63, 81,594.24 and 19,328.02

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Solution

The fourth proportional to 54,385.63, 81,594.24 and 19,328.02 is: 28,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,385.63 : 81,594.24 = 19,328.02 : x
  2. Step 2: Convert to fraction form
    54,385.63/81,594.24 = 19,328.02/x
  3. Step 3: Cross multiply
    54,385.63x = 81,594.24 × 19,328.02
  4. Step 4: Simplify right side
    54,385.63x = 1,577,055,102.60
  5. Step 5: Solve for x
    x = 1,577,055,102.60/54,385.63
  6. Step 6: Final answer
    x = 28,997.64

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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.