Home / 29,433.80-40,618.44-16,689.39

Finding the Fourth Proportional to 29,433.80, 40,618.44 and 16,689.39

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Solution

The fourth proportional to 29,433.80, 40,618.44 and 16,689.39 is: 23,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,433.80 : 40,618.44 = 16,689.39 : x
  2. Step 2: Convert to fraction form
    29,433.80/40,618.44 = 16,689.39/x
  3. Step 3: Cross multiply
    29,433.80x = 40,618.44 × 16,689.39
  4. Step 4: Simplify right side
    29,433.80x = 677,896,986.35
  5. Step 5: Solve for x
    x = 677,896,986.35/29,433.80
  6. Step 6: Final answer
    x = 23,031.25

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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.