Home / 57,520.64-79,378.32-32,370.16

Finding the Fourth Proportional to 57,520.64, 79,378.32 and 32,370.16

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Solution

The fourth proportional to 57,520.64, 79,378.32 and 32,370.16 is: 44,670.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,520.64 : 79,378.32 = 32,370.16 : x
  2. Step 2: Convert to fraction form
    57,520.64/79,378.32 = 32,370.16/x
  3. Step 3: Cross multiply
    57,520.64x = 79,378.32 × 32,370.16
  4. Step 4: Simplify right side
    57,520.64x = 2,569,488,918.93
  5. Step 5: Solve for x
    x = 2,569,488,918.93/57,520.64
  6. Step 6: Final answer
    x = 44,670.73

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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.