Home / 54,187.48-81,292.50-19,152.28

Finding the Fourth Proportional to 54,187.48, 81,292.50 and 19,152.28

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Solution

The fourth proportional to 54,187.48, 81,292.50 and 19,152.28 is: 28,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.48 : 81,292.50 = 19,152.28 : x
  2. Step 2: Convert to fraction form
    54,187.48/81,292.50 = 19,152.28/x
  3. Step 3: Cross multiply
    54,187.48x = 81,292.50 × 19,152.28
  4. Step 4: Simplify right side
    54,187.48x = 1,556,936,721.90
  5. Step 5: Solve for x
    x = 1,556,936,721.90/54,187.48
  6. Step 6: Final answer
    x = 28,732.41

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1.5x scale

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.