Home / 30,117.93-41,563.09-16,689.34

Finding the Fourth Proportional to 30,117.93, 41,563.09 and 16,689.34

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Solution

The fourth proportional to 30,117.93, 41,563.09 and 16,689.34 is: 23,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.93 : 41,563.09 = 16,689.34 : x
  2. Step 2: Convert to fraction form
    30,117.93/41,563.09 = 16,689.34/x
  3. Step 3: Cross multiply
    30,117.93x = 41,563.09 × 16,689.34
  4. Step 4: Simplify right side
    30,117.93x = 693,660,540.46
  5. Step 5: Solve for x
    x = 693,660,540.46/30,117.93
  6. Step 6: Final answer
    x = 23,031.48

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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.