Home / 42,668.97-64,004.82-14,587.89

Finding the Fourth Proportional to 42,668.97, 64,004.82 and 14,587.89

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Solution

The fourth proportional to 42,668.97, 64,004.82 and 14,587.89 is: 21,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,668.97 : 64,004.82 = 14,587.89 : x
  2. Step 2: Convert to fraction form
    42,668.97/64,004.82 = 14,587.89/x
  3. Step 3: Cross multiply
    42,668.97x = 64,004.82 × 14,587.89
  4. Step 4: Simplify right side
    42,668.97x = 933,695,273.63
  5. Step 5: Solve for x
    x = 933,695,273.63/42,668.97
  6. Step 6: Final answer
    x = 21,882.30

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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.