Home / 30,474.24-45,690.88-17,148.16

Finding the Fourth Proportional to 30,474.24, 45,690.88 and 17,148.16

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Solution

The fourth proportional to 30,474.24, 45,690.88 and 17,148.16 is: 25,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.24 : 45,690.88 = 17,148.16 : x
  2. Step 2: Convert to fraction form
    30,474.24/45,690.88 = 17,148.16/x
  3. Step 3: Cross multiply
    30,474.24x = 45,690.88 × 17,148.16
  4. Step 4: Simplify right side
    30,474.24x = 783,514,520.78
  5. Step 5: Solve for x
    x = 783,514,520.78/30,474.24
  6. Step 6: Final answer
    x = 25,710.72

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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.