Home / 45,356.16-68,040.96-14,187.36

Finding the Fourth Proportional to 45,356.16, 68,040.96 and 14,187.36

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Solution

The fourth proportional to 45,356.16, 68,040.96 and 14,187.36 is: 21,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,356.16 : 68,040.96 = 14,187.36 : x
  2. Step 2: Convert to fraction form
    45,356.16/68,040.96 = 14,187.36/x
  3. Step 3: Cross multiply
    45,356.16x = 68,040.96 × 14,187.36
  4. Step 4: Simplify right side
    45,356.16x = 965,321,594.27
  5. Step 5: Solve for x
    x = 965,321,594.27/45,356.16
  6. Step 6: Final answer
    x = 21,283.14

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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.