Home / 39,668.64-59,461.17-13,007.69

Finding the Fourth Proportional to 39,668.64, 59,461.17 and 13,007.69

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Solution

The fourth proportional to 39,668.64, 59,461.17 and 13,007.69 is: 19,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,668.64 : 59,461.17 = 13,007.69 : x
  2. Step 2: Convert to fraction form
    39,668.64/59,461.17 = 13,007.69/x
  3. Step 3: Cross multiply
    39,668.64x = 59,461.17 × 13,007.69
  4. Step 4: Simplify right side
    39,668.64x = 773,452,169.09
  5. Step 5: Solve for x
    x = 773,452,169.09/39,668.64
  6. Step 6: Final answer
    x = 19,497.82

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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.