Home / 45,219.10-67,809.45-21,852.70

Finding the Fourth Proportional to 45,219.10, 67,809.45 and 21,852.70

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Solution

The fourth proportional to 45,219.10, 67,809.45 and 21,852.70 is: 32,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219.10 : 67,809.45 = 21,852.70 : x
  2. Step 2: Convert to fraction form
    45,219.10/67,809.45 = 21,852.70/x
  3. Step 3: Cross multiply
    45,219.10x = 67,809.45 × 21,852.70
  4. Step 4: Simplify right side
    45,219.10x = 1,481,819,568.02
  5. Step 5: Solve for x
    x = 1,481,819,568.02/45,219.10
  6. Step 6: Final answer
    x = 32,769.77

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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.