Home / 54,078.30-81,070.47-25,984.26

Finding the Fourth Proportional to 54,078.30, 81,070.47 and 25,984.26

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Solution

The fourth proportional to 54,078.30, 81,070.47 and 25,984.26 is: 38,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.30 : 81,070.47 = 25,984.26 : x
  2. Step 2: Convert to fraction form
    54,078.30/81,070.47 = 25,984.26/x
  3. Step 3: Cross multiply
    54,078.30x = 81,070.47 × 25,984.26
  4. Step 4: Simplify right side
    54,078.30x = 2,106,556,170.80
  5. Step 5: Solve for x
    x = 2,106,556,170.80/54,078.30
  6. Step 6: Final answer
    x = 38,953.82

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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.