Home / 42,991.29-64,505.97-16,698.02

Finding the Fourth Proportional to 42,991.29, 64,505.97 and 16,698.02

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Solution

The fourth proportional to 42,991.29, 64,505.97 and 16,698.02 is: 25,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,991.29 : 64,505.97 = 16,698.02 : x
  2. Step 2: Convert to fraction form
    42,991.29/64,505.97 = 16,698.02/x
  3. Step 3: Cross multiply
    42,991.29x = 64,505.97 × 16,698.02
  4. Step 4: Simplify right side
    42,991.29x = 1,077,121,654.65
  5. Step 5: Solve for x
    x = 1,077,121,654.65/42,991.29
  6. Step 6: Final answer
    x = 25,054.42

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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.