Home / 39,994.56-55,161-37,311.84

Finding the Fourth Proportional to 39,994.56, 55,161 and 37,311.84

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Solution

The fourth proportional to 39,994.56, 55,161 and 37,311.84 is: 51,460.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.56 : 55,161 = 37,311.84 : x
  2. Step 2: Convert to fraction form
    39,994.56/55,161 = 37,311.84/x
  3. Step 3: Cross multiply
    39,994.56x = 55,161 × 37,311.84
  4. Step 4: Simplify right side
    39,994.56x = 2,058,158,406.24
  5. Step 5: Solve for x
    x = 2,058,158,406.24/39,994.56
  6. Step 6: Final answer
    x = 51,460.96

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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.