Home / 30,203.46-45,284.52-15,383.70

Finding the Fourth Proportional to 30,203.46, 45,284.52 and 15,383.70

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Solution

The fourth proportional to 30,203.46, 45,284.52 and 15,383.70 is: 23,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.46 : 45,284.52 = 15,383.70 : x
  2. Step 2: Convert to fraction form
    30,203.46/45,284.52 = 15,383.70/x
  3. Step 3: Cross multiply
    30,203.46x = 45,284.52 × 15,383.70
  4. Step 4: Simplify right side
    30,203.46x = 696,643,470.32
  5. Step 5: Solve for x
    x = 696,643,470.32/30,203.46
  6. Step 6: Final answer
    x = 23,065.02

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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.