Home / 39,413.01-54,387.66-22,421.37

Finding the Fourth Proportional to 39,413.01, 54,387.66 and 22,421.37

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Solution

The fourth proportional to 39,413.01, 54,387.66 and 22,421.37 is: 30,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,413.01 : 54,387.66 = 22,421.37 : x
  2. Step 2: Convert to fraction form
    39,413.01/54,387.66 = 22,421.37/x
  3. Step 3: Cross multiply
    39,413.01x = 54,387.66 × 22,421.37
  4. Step 4: Simplify right side
    39,413.01x = 1,219,445,848.29
  5. Step 5: Solve for x
    x = 1,219,445,848.29/39,413.01
  6. Step 6: Final answer
    x = 30,940.19

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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.