Home / 51,157.42-70,598.45-28,497.94

Finding the Fourth Proportional to 51,157.42, 70,598.45 and 28,497.94

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Solution

The fourth proportional to 51,157.42, 70,598.45 and 28,497.94 is: 39,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,157.42 : 70,598.45 = 28,497.94 : x
  2. Step 2: Convert to fraction form
    51,157.42/70,598.45 = 28,497.94/x
  3. Step 3: Cross multiply
    51,157.42x = 70,598.45 × 28,497.94
  4. Step 4: Simplify right side
    51,157.42x = 2,011,910,286.94
  5. Step 5: Solve for x
    x = 2,011,910,286.94/51,157.42
  6. Step 6: Final answer
    x = 39,327.83

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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.