Home / 38,136.65-52,624.23-21,136.59

Finding the Fourth Proportional to 38,136.65, 52,624.23 and 21,136.59

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Solution

The fourth proportional to 38,136.65, 52,624.23 and 21,136.59 is: 29,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136.65 : 52,624.23 = 21,136.59 : x
  2. Step 2: Convert to fraction form
    38,136.65/52,624.23 = 21,136.59/x
  3. Step 3: Cross multiply
    38,136.65x = 52,624.23 × 21,136.59
  4. Step 4: Simplify right side
    38,136.65x = 1,112,296,773.58
  5. Step 5: Solve for x
    x = 1,112,296,773.58/38,136.65
  6. Step 6: Final answer
    x = 29,166.09

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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.