Home / 30,208.61-45,287.97-13,329.60

Finding the Fourth Proportional to 30,208.61, 45,287.97 and 13,329.60

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Solution

The fourth proportional to 30,208.61, 45,287.97 and 13,329.60 is: 19,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.61 : 45,287.97 = 13,329.60 : x
  2. Step 2: Convert to fraction form
    30,208.61/45,287.97 = 13,329.60/x
  3. Step 3: Cross multiply
    30,208.61x = 45,287.97 × 13,329.60
  4. Step 4: Simplify right side
    30,208.61x = 603,670,458.26
  5. Step 5: Solve for x
    x = 603,670,458.26/30,208.61
  6. Step 6: Final answer
    x = 19,983.39

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1.5x scale

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.