Home / 55,750.58-76,910.70-33,090.56

Finding the Fourth Proportional to 55,750.58, 76,910.70 and 33,090.56

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Solution

The fourth proportional to 55,750.58, 76,910.70 and 33,090.56 is: 45,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.58 : 76,910.70 = 33,090.56 : x
  2. Step 2: Convert to fraction form
    55,750.58/76,910.70 = 33,090.56/x
  3. Step 3: Cross multiply
    55,750.58x = 76,910.70 × 33,090.56
  4. Step 4: Simplify right side
    55,750.58x = 2,545,018,132.99
  5. Step 5: Solve for x
    x = 2,545,018,132.99/55,750.58
  6. Step 6: Final answer
    x = 45,650.07

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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.