Home / 39,413.99-54,392.94-22,421.23

Finding the Fourth Proportional to 39,413.99, 54,392.94 and 22,421.23

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Solution

The fourth proportional to 39,413.99, 54,392.94 and 22,421.23 is: 30,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,413.99 : 54,392.94 = 22,421.23 : x
  2. Step 2: Convert to fraction form
    39,413.99/54,392.94 = 22,421.23/x
  3. Step 3: Cross multiply
    39,413.99x = 54,392.94 × 22,421.23
  4. Step 4: Simplify right side
    39,413.99x = 1,219,556,618.12
  5. Step 5: Solve for x
    x = 1,219,556,618.12/39,413.99
  6. Step 6: Final answer
    x = 30,942.23

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Double scale
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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.