Home / 30,411.18-41,967.49-16,982.39

Finding the Fourth Proportional to 30,411.18, 41,967.49 and 16,982.39

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Solution

The fourth proportional to 30,411.18, 41,967.49 and 16,982.39 is: 23,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.18 : 41,967.49 = 16,982.39 : x
  2. Step 2: Convert to fraction form
    30,411.18/41,967.49 = 16,982.39/x
  3. Step 3: Cross multiply
    30,411.18x = 41,967.49 × 16,982.39
  4. Step 4: Simplify right side
    30,411.18x = 712,708,282.50
  5. Step 5: Solve for x
    x = 712,708,282.50/30,411.18
  6. Step 6: Final answer
    x = 23,435.73

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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.