Home / 30,118.27-41,563.26-16,689.40

Finding the Fourth Proportional to 30,118.27, 41,563.26 and 16,689.40

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Solution

The fourth proportional to 30,118.27, 41,563.26 and 16,689.40 is: 23,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.27 : 41,563.26 = 16,689.40 : x
  2. Step 2: Convert to fraction form
    30,118.27/41,563.26 = 16,689.40/x
  3. Step 3: Cross multiply
    30,118.27x = 41,563.26 × 16,689.40
  4. Step 4: Simplify right side
    30,118.27x = 693,665,871.44
  5. Step 5: Solve for x
    x = 693,665,871.44/30,118.27
  6. Step 6: Final answer
    x = 23,031.40

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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.