Home / 38,824.76-53,577.92-21,828.94

Finding the Fourth Proportional to 38,824.76, 53,577.92 and 21,828.94

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Solution

The fourth proportional to 38,824.76, 53,577.92 and 21,828.94 is: 30,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,824.76 : 53,577.92 = 21,828.94 : x
  2. Step 2: Convert to fraction form
    38,824.76/53,577.92 = 21,828.94/x
  3. Step 3: Cross multiply
    38,824.76x = 53,577.92 × 21,828.94
  4. Step 4: Simplify right side
    38,824.76x = 1,169,549,201.00
  5. Step 5: Solve for x
    x = 1,169,549,201.00/38,824.76
  6. Step 6: Final answer
    x = 30,123.80

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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.