Home / 57,600.64-79,519.70-40,425.84

Finding the Fourth Proportional to 57,600.64, 79,519.70 and 40,425.84

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Solution

The fourth proportional to 57,600.64, 79,519.70 and 40,425.84 is: 55,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,600.64 : 79,519.70 = 40,425.84 : x
  2. Step 2: Convert to fraction form
    57,600.64/79,519.70 = 40,425.84/x
  3. Step 3: Cross multiply
    57,600.64x = 79,519.70 × 40,425.84
  4. Step 4: Simplify right side
    57,600.64x = 3,214,650,669.05
  5. Step 5: Solve for x
    x = 3,214,650,669.05/57,600.64
  6. Step 6: Final answer
    x = 55,809.29

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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.