Home / 30,986.42-46,479.25-11,264.81

Finding the Fourth Proportional to 30,986.42, 46,479.25 and 11,264.81

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Solution

The fourth proportional to 30,986.42, 46,479.25 and 11,264.81 is: 16,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,986.42 : 46,479.25 = 11,264.81 : x
  2. Step 2: Convert to fraction form
    30,986.42/46,479.25 = 11,264.81/x
  3. Step 3: Cross multiply
    30,986.42x = 46,479.25 × 11,264.81
  4. Step 4: Simplify right side
    30,986.42x = 523,579,920.19
  5. Step 5: Solve for x
    x = 523,579,920.19/30,986.42
  6. Step 6: Final answer
    x = 16,897.08

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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.