Home / 45,384.90-68,079.57-17,299.72

Finding the Fourth Proportional to 45,384.90, 68,079.57 and 17,299.72

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Solution

The fourth proportional to 45,384.90, 68,079.57 and 17,299.72 is: 25,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,384.90 : 68,079.57 = 17,299.72 : x
  2. Step 2: Convert to fraction form
    45,384.90/68,079.57 = 17,299.72/x
  3. Step 3: Cross multiply
    45,384.90x = 68,079.57 × 17,299.72
  4. Step 4: Simplify right side
    45,384.90x = 1,177,757,136.00
  5. Step 5: Solve for x
    x = 1,177,757,136.00/45,384.90
  6. Step 6: Final answer
    x = 25,950.42

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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.