Home / 38,556.24-53,206.92-21,788.88

Finding the Fourth Proportional to 38,556.24, 53,206.92 and 21,788.88

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Solution

The fourth proportional to 38,556.24, 53,206.92 and 21,788.88 is: 30,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,556.24 : 53,206.92 = 21,788.88 : x
  2. Step 2: Convert to fraction form
    38,556.24/53,206.92 = 21,788.88/x
  3. Step 3: Cross multiply
    38,556.24x = 53,206.92 × 21,788.88
  4. Step 4: Simplify right side
    38,556.24x = 1,159,319,195.05
  5. Step 5: Solve for x
    x = 1,159,319,195.05/38,556.24
  6. Step 6: Final answer
    x = 30,068.26

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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.