Home / 38,823.86-53,577.48-21,827.16

Finding the Fourth Proportional to 38,823.86, 53,577.48 and 21,827.16

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Solution

The fourth proportional to 38,823.86, 53,577.48 and 21,827.16 is: 30,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,823.86 : 53,577.48 = 21,827.16 : x
  2. Step 2: Convert to fraction form
    38,823.86/53,577.48 = 21,827.16/x
  3. Step 3: Cross multiply
    38,823.86x = 53,577.48 × 21,827.16
  4. Step 4: Simplify right side
    38,823.86x = 1,169,444,228.36
  5. Step 5: Solve for x
    x = 1,169,444,228.36/38,823.86
  6. Step 6: Final answer
    x = 30,121.79

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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.