Home / 30,852.90-46,274.40-11,121.30

Finding the Fourth Proportional to 30,852.90, 46,274.40 and 11,121.30

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Solution

The fourth proportional to 30,852.90, 46,274.40 and 11,121.30 is: 16,680.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.90 : 46,274.40 = 11,121.30 : x
  2. Step 2: Convert to fraction form
    30,852.90/46,274.40 = 11,121.30/x
  3. Step 3: Cross multiply
    30,852.90x = 46,274.40 × 11,121.30
  4. Step 4: Simplify right side
    30,852.90x = 514,631,484.72
  5. Step 5: Solve for x
    x = 514,631,484.72/30,852.90
  6. Step 6: Final answer
    x = 16,680.17

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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.