Home / 40,933.71-61,416.96-12,858.10

Finding the Fourth Proportional to 40,933.71, 61,416.96 and 12,858.10

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Solution

The fourth proportional to 40,933.71, 61,416.96 and 12,858.10 is: 19,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,933.71 : 61,416.96 = 12,858.10 : x
  2. Step 2: Convert to fraction form
    40,933.71/61,416.96 = 12,858.10/x
  3. Step 3: Cross multiply
    40,933.71x = 61,416.96 × 12,858.10
  4. Step 4: Simplify right side
    40,933.71x = 789,705,413.38
  5. Step 5: Solve for x
    x = 789,705,413.38/40,933.71
  6. Step 6: Final answer
    x = 19,292.30

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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.