Home / 30,674.83-46,013.27-8,486.35

Finding the Fourth Proportional to 30,674.83, 46,013.27 and 8,486.35

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Solution

The fourth proportional to 30,674.83, 46,013.27 and 8,486.35 is: 12,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674.83 : 46,013.27 = 8,486.35 : x
  2. Step 2: Convert to fraction form
    30,674.83/46,013.27 = 8,486.35/x
  3. Step 3: Cross multiply
    30,674.83x = 46,013.27 × 8,486.35
  4. Step 4: Simplify right side
    30,674.83x = 390,484,690.41
  5. Step 5: Solve for x
    x = 390,484,690.41/30,674.83
  6. Step 6: Final answer
    x = 12,729.81

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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.