Home / 30,146.58-45,247.86-15,366.60

Finding the Fourth Proportional to 30,146.58, 45,247.86 and 15,366.60

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Solution

The fourth proportional to 30,146.58, 45,247.86 and 15,366.60 is: 23,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.58 : 45,247.86 = 15,366.60 : x
  2. Step 2: Convert to fraction form
    30,146.58/45,247.86 = 15,366.60/x
  3. Step 3: Cross multiply
    30,146.58x = 45,247.86 × 15,366.60
  4. Step 4: Simplify right side
    30,146.58x = 695,305,765.48
  5. Step 5: Solve for x
    x = 695,305,765.48/30,146.58
  6. Step 6: Final answer
    x = 23,064.17

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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.