Home / 55,739.50-76,895.39-33,079.45

Finding the Fourth Proportional to 55,739.50, 76,895.39 and 33,079.45

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Solution

The fourth proportional to 55,739.50, 76,895.39 and 33,079.45 is: 45,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,739.50 : 76,895.39 = 33,079.45 : x
  2. Step 2: Convert to fraction form
    55,739.50/76,895.39 = 33,079.45/x
  3. Step 3: Cross multiply
    55,739.50x = 76,895.39 × 33,079.45
  4. Step 4: Simplify right side
    55,739.50x = 2,543,657,208.74
  5. Step 5: Solve for x
    x = 2,543,657,208.74/55,739.50
  6. Step 6: Final answer
    x = 45,634.73

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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.