Home / 51,197.27-70,651.02-29,690.86

Finding the Fourth Proportional to 51,197.27, 70,651.02 and 29,690.86

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Solution

The fourth proportional to 51,197.27, 70,651.02 and 29,690.86 is: 40,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.27 : 70,651.02 = 29,690.86 : x
  2. Step 2: Convert to fraction form
    51,197.27/70,651.02 = 29,690.86/x
  3. Step 3: Cross multiply
    51,197.27x = 70,651.02 × 29,690.86
  4. Step 4: Simplify right side
    51,197.27x = 2,097,689,441.28
  5. Step 5: Solve for x
    x = 2,097,689,441.28/51,197.27
  6. Step 6: Final answer
    x = 40,972.68

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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.