Home / 57,430.82-79,255.23-32,279.78

Finding the Fourth Proportional to 57,430.82, 79,255.23 and 32,279.78

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Solution

The fourth proportional to 57,430.82, 79,255.23 and 32,279.78 is: 44,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,430.82 : 79,255.23 = 32,279.78 : x
  2. Step 2: Convert to fraction form
    57,430.82/79,255.23 = 32,279.78/x
  3. Step 3: Cross multiply
    57,430.82x = 79,255.23 × 32,279.78
  4. Step 4: Simplify right side
    57,430.82x = 2,558,341,465.34
  5. Step 5: Solve for x
    x = 2,558,341,465.34/57,430.82
  6. Step 6: Final answer
    x = 44,546.49

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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.