Home / 39,784.34-59,668.08-11,696.75

Finding the Fourth Proportional to 39,784.34, 59,668.08 and 11,696.75

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Solution

The fourth proportional to 39,784.34, 59,668.08 and 11,696.75 is: 17,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,784.34 : 59,668.08 = 11,696.75 : x
  2. Step 2: Convert to fraction form
    39,784.34/59,668.08 = 11,696.75/x
  3. Step 3: Cross multiply
    39,784.34x = 59,668.08 × 11,696.75
  4. Step 4: Simplify right side
    39,784.34x = 697,922,316.40
  5. Step 5: Solve for x
    x = 697,922,316.40/39,784.34
  6. Step 6: Final answer
    x = 17,542.64

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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.