Home / 57,413.04-86,067.60-20,468.40

Finding the Fourth Proportional to 57,413.04, 86,067.60 and 20,468.40

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Solution

The fourth proportional to 57,413.04, 86,067.60 and 20,468.40 is: 30,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413.04 : 86,067.60 = 20,468.40 : x
  2. Step 2: Convert to fraction form
    57,413.04/86,067.60 = 20,468.40/x
  3. Step 3: Cross multiply
    57,413.04x = 86,067.60 × 20,468.40
  4. Step 4: Simplify right side
    57,413.04x = 1,761,666,063.84
  5. Step 5: Solve for x
    x = 1,761,666,063.84/57,413.04
  6. Step 6: Final answer
    x = 30,684.08

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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.