Home / 55,765.01-76,953.08-30,270.80

Finding the Fourth Proportional to 55,765.01, 76,953.08 and 30,270.80

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Solution

The fourth proportional to 55,765.01, 76,953.08 and 30,270.80 is: 41,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,765.01 : 76,953.08 = 30,270.80 : x
  2. Step 2: Convert to fraction form
    55,765.01/76,953.08 = 30,270.80/x
  3. Step 3: Cross multiply
    55,765.01x = 76,953.08 × 30,270.80
  4. Step 4: Simplify right side
    55,765.01x = 2,329,430,757.94
  5. Step 5: Solve for x
    x = 2,329,430,757.94/55,765.01
  6. Step 6: Final answer
    x = 41,772.27

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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.