Home / 38,582.05-53,242.96-21,586.21

Finding the Fourth Proportional to 38,582.05, 53,242.96 and 21,586.21

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Solution

The fourth proportional to 38,582.05, 53,242.96 and 21,586.21 is: 29,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582.05 : 53,242.96 = 21,586.21 : x
  2. Step 2: Convert to fraction form
    38,582.05/53,242.96 = 21,586.21/x
  3. Step 3: Cross multiply
    38,582.05x = 53,242.96 × 21,586.21
  4. Step 4: Simplify right side
    38,582.05x = 1,149,313,715.58
  5. Step 5: Solve for x
    x = 1,149,313,715.58/38,582.05
  6. Step 6: Final answer
    x = 29,788.82

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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.