Home / 30,243.62-45,299.78-14,628.50

Finding the Fourth Proportional to 30,243.62, 45,299.78 and 14,628.50

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Solution

The fourth proportional to 30,243.62, 45,299.78 and 14,628.50 is: 21,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.62 : 45,299.78 = 14,628.50 : x
  2. Step 2: Convert to fraction form
    30,243.62/45,299.78 = 14,628.50/x
  3. Step 3: Cross multiply
    30,243.62x = 45,299.78 × 14,628.50
  4. Step 4: Simplify right side
    30,243.62x = 662,667,831.73
  5. Step 5: Solve for x
    x = 662,667,831.73/30,243.62
  6. Step 6: Final answer
    x = 21,911.00

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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.