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Finding the Fourth Proportional to 43,406.70, 65,000.70 and 34,658.70

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Solution

The fourth proportional to 43,406.70, 65,000.70 and 34,658.70 is: 51,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,406.70 : 65,000.70 = 34,658.70 : x
  2. Step 2: Convert to fraction form
    43,406.70/65,000.70 = 34,658.70/x
  3. Step 3: Cross multiply
    43,406.70x = 65,000.70 × 34,658.70
  4. Step 4: Simplify right side
    43,406.70x = 2,252,839,761.09
  5. Step 5: Solve for x
    x = 2,252,839,761.09/43,406.70
  6. Step 6: Final answer
    x = 51,900.74

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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.