Home / 30,103.23-45,184.01-14,531.79

Finding the Fourth Proportional to 30,103.23, 45,184.01 and 14,531.79

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Solution

The fourth proportional to 30,103.23, 45,184.01 and 14,531.79 is: 21,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,103.23 : 45,184.01 = 14,531.79 : x
  2. Step 2: Convert to fraction form
    30,103.23/45,184.01 = 14,531.79/x
  3. Step 3: Cross multiply
    30,103.23x = 45,184.01 × 14,531.79
  4. Step 4: Simplify right side
    30,103.23x = 656,604,472.02
  5. Step 5: Solve for x
    x = 656,604,472.02/30,103.23
  6. Step 6: Final answer
    x = 21,811.76

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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.