Home / 30,108.28-41,548.32-16,680.12

Finding the Fourth Proportional to 30,108.28, 41,548.32 and 16,680.12

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Solution

The fourth proportional to 30,108.28, 41,548.32 and 16,680.12 is: 23,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.28 : 41,548.32 = 16,680.12 : x
  2. Step 2: Convert to fraction form
    30,108.28/41,548.32 = 16,680.12/x
  3. Step 3: Cross multiply
    30,108.28x = 41,548.32 × 16,680.12
  4. Step 4: Simplify right side
    30,108.28x = 693,030,963.40
  5. Step 5: Solve for x
    x = 693,030,963.40/30,108.28
  6. Step 6: Final answer
    x = 23,017.95

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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.