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Finding the Fourth Proportional to 55,445, 83,147.08 and 17,995.44

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Solution

The fourth proportional to 55,445, 83,147.08 and 17,995.44 is: 26,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,445 : 83,147.08 = 17,995.44 : x
  2. Step 2: Convert to fraction form
    55,445/83,147.08 = 17,995.44/x
  3. Step 3: Cross multiply
    55,445x = 83,147.08 × 17,995.44
  4. Step 4: Simplify right side
    55,445x = 1,496,268,289.32
  5. Step 5: Solve for x
    x = 1,496,268,289.32/55,445
  6. Step 6: Final answer
    x = 26,986.53

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Double scale
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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.