Home / 33,042.64-45,636.68-21,762.52

Finding the Fourth Proportional to 33,042.64, 45,636.68 and 21,762.52

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Solution

The fourth proportional to 33,042.64, 45,636.68 and 21,762.52 is: 30,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,042.64 : 45,636.68 = 21,762.52 : x
  2. Step 2: Convert to fraction form
    33,042.64/45,636.68 = 21,762.52/x
  3. Step 3: Cross multiply
    33,042.64x = 45,636.68 × 21,762.52
  4. Step 4: Simplify right side
    33,042.64x = 993,169,161.23
  5. Step 5: Solve for x
    x = 993,169,161.23/33,042.64
  6. Step 6: Final answer
    x = 30,057.20

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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.