Home / 38,342.73-52,912.53-21,346.50

Finding the Fourth Proportional to 38,342.73, 52,912.53 and 21,346.50

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Solution

The fourth proportional to 38,342.73, 52,912.53 and 21,346.50 is: 29,457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342.73 : 52,912.53 = 21,346.50 : x
  2. Step 2: Convert to fraction form
    38,342.73/52,912.53 = 21,346.50/x
  3. Step 3: Cross multiply
    38,342.73x = 52,912.53 × 21,346.50
  4. Step 4: Simplify right side
    38,342.73x = 1,129,497,321.65
  5. Step 5: Solve for x
    x = 1,129,497,321.65/38,342.73
  6. Step 6: Final answer
    x = 29,457.93

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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.