Home / 38,537.23-53,177.30-21,539.69

Finding the Fourth Proportional to 38,537.23, 53,177.30 and 21,539.69

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Solution

The fourth proportional to 38,537.23, 53,177.30 and 21,539.69 is: 29,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537.23 : 53,177.30 = 21,539.69 : x
  2. Step 2: Convert to fraction form
    38,537.23/53,177.30 = 21,539.69/x
  3. Step 3: Cross multiply
    38,537.23x = 53,177.30 × 21,539.69
  4. Step 4: Simplify right side
    38,537.23x = 1,145,422,345.00
  5. Step 5: Solve for x
    x = 1,145,422,345.00/38,537.23
  6. Step 6: Final answer
    x = 29,722.49

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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.