Home / 38,698.44-53,406.17-21,703.68

Finding the Fourth Proportional to 38,698.44, 53,406.17 and 21,703.68

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Solution

The fourth proportional to 38,698.44, 53,406.17 and 21,703.68 is: 29,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,698.44 : 53,406.17 = 21,703.68 : x
  2. Step 2: Convert to fraction form
    38,698.44/53,406.17 = 21,703.68/x
  3. Step 3: Cross multiply
    38,698.44x = 53,406.17 × 21,703.68
  4. Step 4: Simplify right side
    38,698.44x = 1,159,110,678.24
  5. Step 5: Solve for x
    x = 1,159,110,678.24/38,698.44
  6. Step 6: Final answer
    x = 29,952.39

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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.