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Finding the Fourth Proportional to 43,658.16, 65,487.69 and 34,948.44

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Solution

The fourth proportional to 43,658.16, 65,487.69 and 34,948.44 is: 52,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,658.16 : 65,487.69 = 34,948.44 : x
  2. Step 2: Convert to fraction form
    43,658.16/65,487.69 = 34,948.44/x
  3. Step 3: Cross multiply
    43,658.16x = 65,487.69 × 34,948.44
  4. Step 4: Simplify right side
    43,658.16x = 2,288,692,604.70
  5. Step 5: Solve for x
    x = 2,288,692,604.70/43,658.16
  6. Step 6: Final answer
    x = 52,423.02

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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.