Home / 42,549.79-63,827.09-12,968.59

Finding the Fourth Proportional to 42,549.79, 63,827.09 and 12,968.59

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Solution

The fourth proportional to 42,549.79, 63,827.09 and 12,968.59 is: 19,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,549.79 : 63,827.09 = 12,968.59 : x
  2. Step 2: Convert to fraction form
    42,549.79/63,827.09 = 12,968.59/x
  3. Step 3: Cross multiply
    42,549.79x = 63,827.09 × 12,968.59
  4. Step 4: Simplify right side
    42,549.79x = 827,747,296.26
  5. Step 5: Solve for x
    x = 827,747,296.26/42,549.79
  6. Step 6: Final answer
    x = 19,453.62

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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.