Home / 55,400.98-76,453.05-30,250.30

Finding the Fourth Proportional to 55,400.98, 76,453.05 and 30,250.30

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Solution

The fourth proportional to 55,400.98, 76,453.05 and 30,250.30 is: 41,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400.98 : 76,453.05 = 30,250.30 : x
  2. Step 2: Convert to fraction form
    55,400.98/76,453.05 = 30,250.30/x
  3. Step 3: Cross multiply
    55,400.98x = 76,453.05 × 30,250.30
  4. Step 4: Simplify right side
    55,400.98x = 2,312,727,698.42
  5. Step 5: Solve for x
    x = 2,312,727,698.42/55,400.98
  6. Step 6: Final answer
    x = 41,745.25

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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.