Home / 38,585.08-53,249.48-21,588.31

Finding the Fourth Proportional to 38,585.08, 53,249.48 and 21,588.31

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Solution

The fourth proportional to 38,585.08, 53,249.48 and 21,588.31 is: 29,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,585.08 : 53,249.48 = 21,588.31 : x
  2. Step 2: Convert to fraction form
    38,585.08/53,249.48 = 21,588.31/x
  3. Step 3: Cross multiply
    38,585.08x = 53,249.48 × 21,588.31
  4. Step 4: Simplify right side
    38,585.08x = 1,149,566,281.58
  5. Step 5: Solve for x
    x = 1,149,566,281.58/38,585.08
  6. Step 6: Final answer
    x = 29,793.03

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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.