Home / 38,650.03-53,324.93-21,651.98

Finding the Fourth Proportional to 38,650.03, 53,324.93 and 21,651.98

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Solution

The fourth proportional to 38,650.03, 53,324.93 and 21,651.98 is: 29,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650.03 : 53,324.93 = 21,651.98 : x
  2. Step 2: Convert to fraction form
    38,650.03/53,324.93 = 21,651.98/x
  3. Step 3: Cross multiply
    38,650.03x = 53,324.93 × 21,651.98
  4. Step 4: Simplify right side
    38,650.03x = 1,154,590,105.37
  5. Step 5: Solve for x
    x = 1,154,590,105.37/38,650.03
  6. Step 6: Final answer
    x = 29,872.94

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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.