Home / 38,968.16-58,493.58-31,660.86

Finding the Fourth Proportional to 38,968.16, 58,493.58 and 31,660.86

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Solution

The fourth proportional to 38,968.16, 58,493.58 and 31,660.86 is: 47,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968.16 : 58,493.58 = 31,660.86 : x
  2. Step 2: Convert to fraction form
    38,968.16/58,493.58 = 31,660.86/x
  3. Step 3: Cross multiply
    38,968.16x = 58,493.58 × 31,660.86
  4. Step 4: Simplify right side
    38,968.16x = 1,851,956,888.97
  5. Step 5: Solve for x
    x = 1,851,956,888.97/38,968.16
  6. Step 6: Final answer
    x = 47,524.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.