Home / 30,411.13-41,967.57-16,982.55

Finding the Fourth Proportional to 30,411.13, 41,967.57 and 16,982.55

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Solution

The fourth proportional to 30,411.13, 41,967.57 and 16,982.55 is: 23,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.13 : 41,967.57 = 16,982.55 : x
  2. Step 2: Convert to fraction form
    30,411.13/41,967.57 = 16,982.55/x
  3. Step 3: Cross multiply
    30,411.13x = 41,967.57 × 16,982.55
  4. Step 4: Simplify right side
    30,411.13x = 712,716,355.90
  5. Step 5: Solve for x
    x = 712,716,355.90/30,411.13
  6. Step 6: Final answer
    x = 23,436.04

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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.