Home / 30,118.05-41,563.26-16,689.47

Finding the Fourth Proportional to 30,118.05, 41,563.26 and 16,689.47

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Solution

The fourth proportional to 30,118.05, 41,563.26 and 16,689.47 is: 23,031.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.05 : 41,563.26 = 16,689.47 : x
  2. Step 2: Convert to fraction form
    30,118.05/41,563.26 = 16,689.47/x
  3. Step 3: Cross multiply
    30,118.05x = 41,563.26 × 16,689.47
  4. Step 4: Simplify right side
    30,118.05x = 693,668,573.06
  5. Step 5: Solve for x
    x = 693,668,573.06/30,118.05
  6. Step 6: Final answer
    x = 23,031.66

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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.