Home / 38,173.63-52,678.63-21,177.79

Finding the Fourth Proportional to 38,173.63, 52,678.63 and 21,177.79

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Solution

The fourth proportional to 38,173.63, 52,678.63 and 21,177.79 is: 29,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,173.63 : 52,678.63 = 21,177.79 : x
  2. Step 2: Convert to fraction form
    38,173.63/52,678.63 = 21,177.79/x
  3. Step 3: Cross multiply
    38,173.63x = 52,678.63 × 21,177.79
  4. Step 4: Simplify right side
    38,173.63x = 1,115,616,778.99
  5. Step 5: Solve for x
    x = 1,115,616,778.99/38,173.63
  6. Step 6: Final answer
    x = 29,224.80

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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.