Home / 38,451.78-53,064.72-22,317.84

Finding the Fourth Proportional to 38,451.78, 53,064.72 and 22,317.84

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Solution

The fourth proportional to 38,451.78, 53,064.72 and 22,317.84 is: 30,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,451.78 : 53,064.72 = 22,317.84 : x
  2. Step 2: Convert to fraction form
    38,451.78/53,064.72 = 22,317.84/x
  3. Step 3: Cross multiply
    38,451.78x = 53,064.72 × 22,317.84
  4. Step 4: Simplify right side
    38,451.78x = 1,184,289,930.60
  5. Step 5: Solve for x
    x = 1,184,289,930.60/38,451.78
  6. Step 6: Final answer
    x = 30,799.35

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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.