Home / 30,880.66-42,615.35-16,733.52

Finding the Fourth Proportional to 30,880.66, 42,615.35 and 16,733.52

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Solution

The fourth proportional to 30,880.66, 42,615.35 and 16,733.52 is: 23,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.66 : 42,615.35 = 16,733.52 : x
  2. Step 2: Convert to fraction form
    30,880.66/42,615.35 = 16,733.52/x
  3. Step 3: Cross multiply
    30,880.66x = 42,615.35 × 16,733.52
  4. Step 4: Simplify right side
    30,880.66x = 713,104,514.79
  5. Step 5: Solve for x
    x = 713,104,514.79/30,880.66
  6. Step 6: Final answer
    x = 23,092.27

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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.