Home / 42,774.30-64,116.09-16,467.66

Finding the Fourth Proportional to 42,774.30, 64,116.09 and 16,467.66

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Solution

The fourth proportional to 42,774.30, 64,116.09 and 16,467.66 is: 24,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774.30 : 64,116.09 = 16,467.66 : x
  2. Step 2: Convert to fraction form
    42,774.30/64,116.09 = 16,467.66/x
  3. Step 3: Cross multiply
    42,774.30x = 64,116.09 × 16,467.66
  4. Step 4: Simplify right side
    42,774.30x = 1,055,841,970.65
  5. Step 5: Solve for x
    x = 1,055,841,970.65/42,774.30
  6. Step 6: Final answer
    x = 24,684.03

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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.