Home / 55,239.21-82,888.56-21,959.60

Finding the Fourth Proportional to 55,239.21, 82,888.56 and 21,959.60

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Solution

The fourth proportional to 55,239.21, 82,888.56 and 21,959.60 is: 32,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,239.21 : 82,888.56 = 21,959.60 : x
  2. Step 2: Convert to fraction form
    55,239.21/82,888.56 = 21,959.60/x
  3. Step 3: Cross multiply
    55,239.21x = 82,888.56 × 21,959.60
  4. Step 4: Simplify right side
    55,239.21x = 1,820,199,207.73
  5. Step 5: Solve for x
    x = 1,820,199,207.73/55,239.21
  6. Step 6: Final answer
    x = 32,951.22

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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.