Home / 30,756.71-46,136.90-9,697.43

Finding the Fourth Proportional to 30,756.71, 46,136.90 and 9,697.43

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Solution

The fourth proportional to 30,756.71, 46,136.90 and 9,697.43 is: 14,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,756.71 : 46,136.90 = 9,697.43 : x
  2. Step 2: Convert to fraction form
    30,756.71/46,136.90 = 9,697.43/x
  3. Step 3: Cross multiply
    30,756.71x = 46,136.90 × 9,697.43
  4. Step 4: Simplify right side
    30,756.71x = 447,409,497.75
  5. Step 5: Solve for x
    x = 447,409,497.75/30,756.71
  6. Step 6: Final answer
    x = 14,546.73

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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.