Home / 45,969.36-68,954.10-14,379.60

Finding the Fourth Proportional to 45,969.36, 68,954.10 and 14,379.60

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Solution

The fourth proportional to 45,969.36, 68,954.10 and 14,379.60 is: 21,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,969.36 : 68,954.10 = 14,379.60 : x
  2. Step 2: Convert to fraction form
    45,969.36/68,954.10 = 14,379.60/x
  3. Step 3: Cross multiply
    45,969.36x = 68,954.10 × 14,379.60
  4. Step 4: Simplify right side
    45,969.36x = 991,532,376.36
  5. Step 5: Solve for x
    x = 991,532,376.36/45,969.36
  6. Step 6: Final answer
    x = 21,569.42

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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.