Home / 34,431.99-47,521.11-19,122.03

Finding the Fourth Proportional to 34,431.99, 47,521.11 and 19,122.03

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Solution

The fourth proportional to 34,431.99, 47,521.11 and 19,122.03 is: 26,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,431.99 : 47,521.11 = 19,122.03 : x
  2. Step 2: Convert to fraction form
    34,431.99/47,521.11 = 19,122.03/x
  3. Step 3: Cross multiply
    34,431.99x = 47,521.11 × 19,122.03
  4. Step 4: Simplify right side
    34,431.99x = 908,700,091.05
  5. Step 5: Solve for x
    x = 908,700,091.05/34,431.99
  6. Step 6: Final answer
    x = 26,391.16

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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.