Home / 30,128.52-41,577.36-16,880.52

Finding the Fourth Proportional to 30,128.52, 41,577.36 and 16,880.52

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Solution

The fourth proportional to 30,128.52, 41,577.36 and 16,880.52 is: 23,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,128.52 : 41,577.36 = 16,880.52 : x
  2. Step 2: Convert to fraction form
    30,128.52/41,577.36 = 16,880.52/x
  3. Step 3: Cross multiply
    30,128.52x = 41,577.36 × 16,880.52
  4. Step 4: Simplify right side
    30,128.52x = 701,847,457.03
  5. Step 5: Solve for x
    x = 701,847,457.03/30,128.52
  6. Step 6: Final answer
    x = 23,295.12

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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.