Home / 21,054.98-29,094.30-18,029.54

Finding the Fourth Proportional to 21,054.98, 29,094.30 and 18,029.54

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Solution

The fourth proportional to 21,054.98, 29,094.30 and 18,029.54 is: 24,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054.98 : 29,094.30 = 18,029.54 : x
  2. Step 2: Convert to fraction form
    21,054.98/29,094.30 = 18,029.54/x
  3. Step 3: Cross multiply
    21,054.98x = 29,094.30 × 18,029.54
  4. Step 4: Simplify right side
    21,054.98x = 524,556,845.62
  5. Step 5: Solve for x
    x = 524,556,845.62/21,054.98
  6. Step 6: Final answer
    x = 24,913.67

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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.