Home / 42,986.49-64,456.49-14,904.49

Finding the Fourth Proportional to 42,986.49, 64,456.49 and 14,904.49

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Solution

The fourth proportional to 42,986.49, 64,456.49 and 14,904.49 is: 22,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,986.49 : 64,456.49 = 14,904.49 : x
  2. Step 2: Convert to fraction form
    42,986.49/64,456.49 = 14,904.49/x
  3. Step 3: Cross multiply
    42,986.49x = 64,456.49 × 14,904.49
  4. Step 4: Simplify right side
    42,986.49x = 960,691,110.64
  5. Step 5: Solve for x
    x = 960,691,110.64/42,986.49
  6. Step 6: Final answer
    x = 22,348.68

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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.