Home / 30,078.99-41,513.40-17,329.68

Finding the Fourth Proportional to 30,078.99, 41,513.40 and 17,329.68

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Solution

The fourth proportional to 30,078.99, 41,513.40 and 17,329.68 is: 23,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.99 : 41,513.40 = 17,329.68 : x
  2. Step 2: Convert to fraction form
    30,078.99/41,513.40 = 17,329.68/x
  3. Step 3: Cross multiply
    30,078.99x = 41,513.40 × 17,329.68
  4. Step 4: Simplify right side
    30,078.99x = 719,413,937.71
  5. Step 5: Solve for x
    x = 719,413,937.71/30,078.99
  6. Step 6: Final answer
    x = 23,917.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.