Home / 30,117.31-41,564.27-16,689.85

Finding the Fourth Proportional to 30,117.31, 41,564.27 and 16,689.85

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Solution

The fourth proportional to 30,117.31, 41,564.27 and 16,689.85 is: 23,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.31 : 41,564.27 = 16,689.85 : x
  2. Step 2: Convert to fraction form
    30,117.31/41,564.27 = 16,689.85/x
  3. Step 3: Cross multiply
    30,117.31x = 41,564.27 × 16,689.85
  4. Step 4: Simplify right side
    30,117.31x = 693,701,431.66
  5. Step 5: Solve for x
    x = 693,701,431.66/30,117.31
  6. Step 6: Final answer
    x = 23,033.31

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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.