Home / 30,180.48-45,267.52-18,473.28

Finding the Fourth Proportional to 30,180.48, 45,267.52 and 18,473.28

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Solution

The fourth proportional to 30,180.48, 45,267.52 and 18,473.28 is: 27,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180.48 : 45,267.52 = 18,473.28 : x
  2. Step 2: Convert to fraction form
    30,180.48/45,267.52 = 18,473.28/x
  3. Step 3: Cross multiply
    30,180.48x = 45,267.52 × 18,473.28
  4. Step 4: Simplify right side
    30,180.48x = 836,239,571.87
  5. Step 5: Solve for x
    x = 836,239,571.87/30,180.48
  6. Step 6: Final answer
    x = 27,707.96

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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.