Home / 30,351.07-45,521.09-8,159.27

Finding the Fourth Proportional to 30,351.07, 45,521.09 and 8,159.27

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Solution

The fourth proportional to 30,351.07, 45,521.09 and 8,159.27 is: 12,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,351.07 : 45,521.09 = 8,159.27 : x
  2. Step 2: Convert to fraction form
    30,351.07/45,521.09 = 8,159.27/x
  3. Step 3: Cross multiply
    30,351.07x = 45,521.09 × 8,159.27
  4. Step 4: Simplify right side
    30,351.07x = 371,418,626.20
  5. Step 5: Solve for x
    x = 371,418,626.20/30,351.07
  6. Step 6: Final answer
    x = 12,237.41

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1.5x scale

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.