Home / 30,180.73-45,272.04-14,387.48

Finding the Fourth Proportional to 30,180.73, 45,272.04 and 14,387.48

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Solution

The fourth proportional to 30,180.73, 45,272.04 and 14,387.48 is: 21,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180.73 : 45,272.04 = 14,387.48 : x
  2. Step 2: Convert to fraction form
    30,180.73/45,272.04 = 14,387.48/x
  3. Step 3: Cross multiply
    30,180.73x = 45,272.04 × 14,387.48
  4. Step 4: Simplify right side
    30,180.73x = 651,350,683.24
  5. Step 5: Solve for x
    x = 651,350,683.24/30,180.73
  6. Step 6: Final answer
    x = 21,581.68

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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.