Home / 42,538.92-63,803.49-11,376.60

Finding the Fourth Proportional to 42,538.92, 63,803.49 and 11,376.60

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Solution

The fourth proportional to 42,538.92, 63,803.49 and 11,376.60 is: 17,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,538.92 : 63,803.49 = 11,376.60 : x
  2. Step 2: Convert to fraction form
    42,538.92/63,803.49 = 11,376.60/x
  3. Step 3: Cross multiply
    42,538.92x = 63,803.49 × 11,376.60
  4. Step 4: Simplify right side
    42,538.92x = 725,866,784.33
  5. Step 5: Solve for x
    x = 725,866,784.33/42,538.92
  6. Step 6: Final answer
    x = 17,063.59

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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.