Home / 39,556.48-54,585.62-21,651.82

Finding the Fourth Proportional to 39,556.48, 54,585.62 and 21,651.82

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Solution

The fourth proportional to 39,556.48, 54,585.62 and 21,651.82 is: 29,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.48 : 54,585.62 = 21,651.82 : x
  2. Step 2: Convert to fraction form
    39,556.48/54,585.62 = 21,651.82/x
  3. Step 3: Cross multiply
    39,556.48x = 54,585.62 × 21,651.82
  4. Step 4: Simplify right side
    39,556.48x = 1,181,878,018.83
  5. Step 5: Solve for x
    x = 1,181,878,018.83/39,556.48
  6. Step 6: Final answer
    x = 29,878.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.