Home / 38,699.44-53,407.56-21,704.69

Finding the Fourth Proportional to 38,699.44, 53,407.56 and 21,704.69

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Solution

The fourth proportional to 38,699.44, 53,407.56 and 21,704.69 is: 29,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,699.44 : 53,407.56 = 21,704.69 : x
  2. Step 2: Convert to fraction form
    38,699.44/53,407.56 = 21,704.69/x
  3. Step 3: Cross multiply
    38,699.44x = 53,407.56 × 21,704.69
  4. Step 4: Simplify right side
    38,699.44x = 1,159,194,157.90
  5. Step 5: Solve for x
    x = 1,159,194,157.90/38,699.44
  6. Step 6: Final answer
    x = 29,953.77

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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.