Home / 45,436.94-68,166.44-14,272.19

Finding the Fourth Proportional to 45,436.94, 68,166.44 and 14,272.19

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Solution

The fourth proportional to 45,436.94, 68,166.44 and 14,272.19 is: 21,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,436.94 : 68,166.44 = 14,272.19 : x
  2. Step 2: Convert to fraction form
    45,436.94/68,166.44 = 14,272.19/x
  3. Step 3: Cross multiply
    45,436.94x = 68,166.44 × 14,272.19
  4. Step 4: Simplify right side
    45,436.94x = 972,884,383.30
  5. Step 5: Solve for x
    x = 972,884,383.30/45,436.94
  6. Step 6: Final answer
    x = 21,411.75

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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.