Home / 57,910.32-79,920.09-32,418.93

Finding the Fourth Proportional to 57,910.32, 79,920.09 and 32,418.93

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Solution

The fourth proportional to 57,910.32, 79,920.09 and 32,418.93 is: 44,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,910.32 : 79,920.09 = 32,418.93 : x
  2. Step 2: Convert to fraction form
    57,910.32/79,920.09 = 32,418.93/x
  3. Step 3: Cross multiply
    57,910.32x = 79,920.09 × 32,418.93
  4. Step 4: Simplify right side
    57,910.32x = 2,590,923,803.30
  5. Step 5: Solve for x
    x = 2,590,923,803.30/57,910.32
  6. Step 6: Final answer
    x = 44,740.28

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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.