Home / 30,444.25-45,675.61-21,576.74

Finding the Fourth Proportional to 30,444.25, 45,675.61 and 21,576.74

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Solution

The fourth proportional to 30,444.25, 45,675.61 and 21,576.74 is: 32,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.25 : 45,675.61 = 21,576.74 : x
  2. Step 2: Convert to fraction form
    30,444.25/45,675.61 = 21,576.74/x
  3. Step 3: Cross multiply
    30,444.25x = 45,675.61 × 21,576.74
  4. Step 4: Simplify right side
    30,444.25x = 985,530,653.43
  5. Step 5: Solve for x
    x = 985,530,653.43/30,444.25
  6. Step 6: Final answer
    x = 32,371.65

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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.