Home / 33,042.02-45,612.20-20,297.28

Finding the Fourth Proportional to 33,042.02, 45,612.20 and 20,297.28

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Solution

The fourth proportional to 33,042.02, 45,612.20 and 20,297.28 is: 28,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,042.02 : 45,612.20 = 20,297.28 : x
  2. Step 2: Convert to fraction form
    33,042.02/45,612.20 = 20,297.28/x
  3. Step 3: Cross multiply
    33,042.02x = 45,612.20 × 20,297.28
  4. Step 4: Simplify right side
    33,042.02x = 925,803,594.82
  5. Step 5: Solve for x
    x = 925,803,594.82/33,042.02
  6. Step 6: Final answer
    x = 28,018.98

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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.