Home / 46,858.05-70,290.72-13,578.60

Finding the Fourth Proportional to 46,858.05, 70,290.72 and 13,578.60

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Solution

The fourth proportional to 46,858.05, 70,290.72 and 13,578.60 is: 20,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,858.05 : 70,290.72 = 13,578.60 : x
  2. Step 2: Convert to fraction form
    46,858.05/70,290.72 = 13,578.60/x
  3. Step 3: Cross multiply
    46,858.05x = 70,290.72 × 13,578.60
  4. Step 4: Simplify right side
    46,858.05x = 954,449,570.59
  5. Step 5: Solve for x
    x = 954,449,570.59/46,858.05
  6. Step 6: Final answer
    x = 20,368.96

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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.