Home / 45,990.21-63,467.04-27,840.68

Finding the Fourth Proportional to 45,990.21, 63,467.04 and 27,840.68

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Solution

The fourth proportional to 45,990.21, 63,467.04 and 27,840.68 is: 38,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,990.21 : 63,467.04 = 27,840.68 : x
  2. Step 2: Convert to fraction form
    45,990.21/63,467.04 = 27,840.68/x
  3. Step 3: Cross multiply
    45,990.21x = 63,467.04 × 27,840.68
  4. Step 4: Simplify right side
    45,990.21x = 1,766,965,576.26
  5. Step 5: Solve for x
    x = 1,766,965,576.26/45,990.21
  6. Step 6: Final answer
    x = 38,420.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.