Home / 35,136.99-52,675.11-12,938.94

Finding the Fourth Proportional to 35,136.99, 52,675.11 and 12,938.94

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Solution

The fourth proportional to 35,136.99, 52,675.11 and 12,938.94 is: 19,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,136.99 : 52,675.11 = 12,938.94 : x
  2. Step 2: Convert to fraction form
    35,136.99/52,675.11 = 12,938.94/x
  3. Step 3: Cross multiply
    35,136.99x = 52,675.11 × 12,938.94
  4. Step 4: Simplify right side
    35,136.99x = 681,560,087.78
  5. Step 5: Solve for x
    x = 681,560,087.78/35,136.99
  6. Step 6: Final answer
    x = 19,397.22

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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.