Home / 38,109.20-52,592.36-21,341.84

Finding the Fourth Proportional to 38,109.20, 52,592.36 and 21,341.84

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Solution

The fourth proportional to 38,109.20, 52,592.36 and 21,341.84 is: 29,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109.20 : 52,592.36 = 21,341.84 : x
  2. Step 2: Convert to fraction form
    38,109.20/52,592.36 = 21,341.84/x
  3. Step 3: Cross multiply
    38,109.20x = 52,592.36 × 21,341.84
  4. Step 4: Simplify right side
    38,109.20x = 1,122,417,732.34
  5. Step 5: Solve for x
    x = 1,122,417,732.34/38,109.20
  6. Step 6: Final answer
    x = 29,452.67

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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.