Home / 55,575.54-76,695.09-30,427.38

Finding the Fourth Proportional to 55,575.54, 76,695.09 and 30,427.38

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Solution

The fourth proportional to 55,575.54, 76,695.09 and 30,427.38 is: 41,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.54 : 76,695.09 = 30,427.38 : x
  2. Step 2: Convert to fraction form
    55,575.54/76,695.09 = 30,427.38/x
  3. Step 3: Cross multiply
    55,575.54x = 76,695.09 × 30,427.38
  4. Step 4: Simplify right side
    55,575.54x = 2,333,630,647.56
  5. Step 5: Solve for x
    x = 2,333,630,647.56/55,575.54
  6. Step 6: Final answer
    x = 41,990.25

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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.