Home / 30,100.90-41,539.12-17,353.98

Finding the Fourth Proportional to 30,100.90, 41,539.12 and 17,353.98

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Solution

The fourth proportional to 30,100.90, 41,539.12 and 17,353.98 is: 23,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.90 : 41,539.12 = 17,353.98 : x
  2. Step 2: Convert to fraction form
    30,100.90/41,539.12 = 17,353.98/x
  3. Step 3: Cross multiply
    30,100.90x = 41,539.12 × 17,353.98
  4. Step 4: Simplify right side
    30,100.90x = 720,869,057.70
  5. Step 5: Solve for x
    x = 720,869,057.70/30,100.90
  6. Step 6: Final answer
    x = 23,948.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.