Home / 55,451.88-76,500.72-40,311.36

Finding the Fourth Proportional to 55,451.88, 76,500.72 and 40,311.36

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Solution

The fourth proportional to 55,451.88, 76,500.72 and 40,311.36 is: 55,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451.88 : 76,500.72 = 40,311.36 : x
  2. Step 2: Convert to fraction form
    55,451.88/76,500.72 = 40,311.36/x
  3. Step 3: Cross multiply
    55,451.88x = 76,500.72 × 40,311.36
  4. Step 4: Simplify right side
    55,451.88x = 3,083,848,064.18
  5. Step 5: Solve for x
    x = 3,083,848,064.18/55,451.88
  6. Step 6: Final answer
    x = 55,613.05

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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.