Home / 55,784.70-76,957.09-33,110.78

Finding the Fourth Proportional to 55,784.70, 76,957.09 and 33,110.78

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Solution

The fourth proportional to 55,784.70, 76,957.09 and 33,110.78 is: 45,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,784.70 : 76,957.09 = 33,110.78 : x
  2. Step 2: Convert to fraction form
    55,784.70/76,957.09 = 33,110.78/x
  3. Step 3: Cross multiply
    55,784.70x = 76,957.09 × 33,110.78
  4. Step 4: Simplify right side
    55,784.70x = 2,548,108,808.87
  5. Step 5: Solve for x
    x = 2,548,108,808.87/55,784.70
  6. Step 6: Final answer
    x = 45,677.56

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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.