Home / 30,629.40-45,879.30-27,346.20

Finding the Fourth Proportional to 30,629.40, 45,879.30 and 27,346.20

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Solution

The fourth proportional to 30,629.40, 45,879.30 and 27,346.20 is: 40,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.40 : 45,879.30 = 27,346.20 : x
  2. Step 2: Convert to fraction form
    30,629.40/45,879.30 = 27,346.20/x
  3. Step 3: Cross multiply
    30,629.40x = 45,879.30 × 27,346.20
  4. Step 4: Simplify right side
    30,629.40x = 1,254,624,513.66
  5. Step 5: Solve for x
    x = 1,254,624,513.66/30,629.40
  6. Step 6: Final answer
    x = 40,961.45

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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.