Home / 42,538.51-63,696.29-29,990.60

Finding the Fourth Proportional to 42,538.51, 63,696.29 and 29,990.60

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Solution

The fourth proportional to 42,538.51, 63,696.29 and 29,990.60 is: 44,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,538.51 : 63,696.29 = 29,990.60 : x
  2. Step 2: Convert to fraction form
    42,538.51/63,696.29 = 29,990.60/x
  3. Step 3: Cross multiply
    42,538.51x = 63,696.29 × 29,990.60
  4. Step 4: Simplify right side
    42,538.51x = 1,910,289,486.44
  5. Step 5: Solve for x
    x = 1,910,289,486.44/42,538.51
  6. Step 6: Final answer
    x = 44,907.30

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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.