Home / 45,477.57-68,218.89-13,892.43

Finding the Fourth Proportional to 45,477.57, 68,218.89 and 13,892.43

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Solution

The fourth proportional to 45,477.57, 68,218.89 and 13,892.43 is: 20,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,477.57 : 68,218.89 = 13,892.43 : x
  2. Step 2: Convert to fraction form
    45,477.57/68,218.89 = 13,892.43/x
  3. Step 3: Cross multiply
    45,477.57x = 68,218.89 × 13,892.43
  4. Step 4: Simplify right side
    45,477.57x = 947,726,084.54
  5. Step 5: Solve for x
    x = 947,726,084.54/45,477.57
  6. Step 6: Final answer
    x = 20,839.42

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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.