Home / 35,243.49-48,634.96-20,136.09

Finding the Fourth Proportional to 35,243.49, 48,634.96 and 20,136.09

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Solution

The fourth proportional to 35,243.49, 48,634.96 and 20,136.09 is: 27,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,243.49 : 48,634.96 = 20,136.09 : x
  2. Step 2: Convert to fraction form
    35,243.49/48,634.96 = 20,136.09/x
  3. Step 3: Cross multiply
    35,243.49x = 48,634.96 × 20,136.09
  4. Step 4: Simplify right side
    35,243.49x = 979,317,931.71
  5. Step 5: Solve for x
    x = 979,317,931.71/35,243.49
  6. Step 6: Final answer
    x = 27,787.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.