Home / 30,042.09-41,456.41-16,612.45

Finding the Fourth Proportional to 30,042.09, 41,456.41 and 16,612.45

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Solution

The fourth proportional to 30,042.09, 41,456.41 and 16,612.45 is: 22,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.09 : 41,456.41 = 16,612.45 : x
  2. Step 2: Convert to fraction form
    30,042.09/41,456.41 = 16,612.45/x
  3. Step 3: Cross multiply
    30,042.09x = 41,456.41 × 16,612.45
  4. Step 4: Simplify right side
    30,042.09x = 688,692,393.13
  5. Step 5: Solve for x
    x = 688,692,393.13/30,042.09
  6. Step 6: Final answer
    x = 22,924.25

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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.