Home / 36,994.70-51,051.18-21,077.80

Finding the Fourth Proportional to 36,994.70, 51,051.18 and 21,077.80

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Solution

The fourth proportional to 36,994.70, 51,051.18 and 21,077.80 is: 29,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,994.70 : 51,051.18 = 21,077.80 : x
  2. Step 2: Convert to fraction form
    36,994.70/51,051.18 = 21,077.80/x
  3. Step 3: Cross multiply
    36,994.70x = 51,051.18 × 21,077.80
  4. Step 4: Simplify right side
    36,994.70x = 1,076,046,561.80
  5. Step 5: Solve for x
    x = 1,076,046,561.80/36,994.70
  6. Step 6: Final answer
    x = 29,086.51

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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.