Home / 45,641.97-68,461.47-20,682.09

Finding the Fourth Proportional to 45,641.97, 68,461.47 and 20,682.09

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Solution

The fourth proportional to 45,641.97, 68,461.47 and 20,682.09 is: 31,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,641.97 : 68,461.47 = 20,682.09 : x
  2. Step 2: Convert to fraction form
    45,641.97/68,461.47 = 20,682.09/x
  3. Step 3: Cross multiply
    45,641.97x = 68,461.47 × 20,682.09
  4. Step 4: Simplify right side
    45,641.97x = 1,415,926,284.07
  5. Step 5: Solve for x
    x = 1,415,926,284.07/45,641.97
  6. Step 6: Final answer
    x = 31,022.46

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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.