Home / 45,547.50-68,321.25-14,382.75

Finding the Fourth Proportional to 45,547.50, 68,321.25 and 14,382.75

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Solution

The fourth proportional to 45,547.50, 68,321.25 and 14,382.75 is: 21,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,547.50 : 68,321.25 = 14,382.75 : x
  2. Step 2: Convert to fraction form
    45,547.50/68,321.25 = 14,382.75/x
  3. Step 3: Cross multiply
    45,547.50x = 68,321.25 × 14,382.75
  4. Step 4: Simplify right side
    45,547.50x = 982,647,458.44
  5. Step 5: Solve for x
    x = 982,647,458.44/45,547.50
  6. Step 6: Final answer
    x = 21,574.13

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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.