Home / 34,755.84-52,136.19-13,979.34

Finding the Fourth Proportional to 34,755.84, 52,136.19 and 13,979.34

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Solution

The fourth proportional to 34,755.84, 52,136.19 and 13,979.34 is: 20,969.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,755.84 : 52,136.19 = 13,979.34 : x
  2. Step 2: Convert to fraction form
    34,755.84/52,136.19 = 13,979.34/x
  3. Step 3: Cross multiply
    34,755.84x = 52,136.19 × 13,979.34
  4. Step 4: Simplify right side
    34,755.84x = 728,829,526.31
  5. Step 5: Solve for x
    x = 728,829,526.31/34,755.84
  6. Step 6: Final answer
    x = 20,969.99

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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.