Home / 55,133.82-82,728.08-21,853.16

Finding the Fourth Proportional to 55,133.82, 82,728.08 and 21,853.16

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Solution

The fourth proportional to 55,133.82, 82,728.08 and 21,853.16 is: 32,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133.82 : 82,728.08 = 21,853.16 : x
  2. Step 2: Convert to fraction form
    55,133.82/82,728.08 = 21,853.16/x
  3. Step 3: Cross multiply
    55,133.82x = 82,728.08 × 21,853.16
  4. Step 4: Simplify right side
    55,133.82x = 1,807,869,968.73
  5. Step 5: Solve for x
    x = 1,807,869,968.73/55,133.82
  6. Step 6: Final answer
    x = 32,790.58

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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.