Home / 34,595.91-47,742.89-20,450.07

Finding the Fourth Proportional to 34,595.91, 47,742.89 and 20,450.07

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Solution

The fourth proportional to 34,595.91, 47,742.89 and 20,450.07 is: 28,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,595.91 : 47,742.89 = 20,450.07 : x
  2. Step 2: Convert to fraction form
    34,595.91/47,742.89 = 20,450.07/x
  3. Step 3: Cross multiply
    34,595.91x = 47,742.89 × 20,450.07
  4. Step 4: Simplify right side
    34,595.91x = 976,345,340.25
  5. Step 5: Solve for x
    x = 976,345,340.25/34,595.91
  6. Step 6: Final answer
    x = 28,221.41

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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.