Home / 35,418.11-53,107.45-16,421.99

Finding the Fourth Proportional to 35,418.11, 53,107.45 and 16,421.99

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Solution

The fourth proportional to 35,418.11, 53,107.45 and 16,421.99 is: 24,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.11 : 53,107.45 = 16,421.99 : x
  2. Step 2: Convert to fraction form
    35,418.11/53,107.45 = 16,421.99/x
  3. Step 3: Cross multiply
    35,418.11x = 53,107.45 × 16,421.99
  4. Step 4: Simplify right side
    35,418.11x = 872,129,706.23
  5. Step 5: Solve for x
    x = 872,129,706.23/35,418.11
  6. Step 6: Final answer
    x = 24,623.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.