Home / 21,642.52-32,466.35-20,461.54

Finding the Fourth Proportional to 21,642.52, 32,466.35 and 20,461.54

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Solution

The fourth proportional to 21,642.52, 32,466.35 and 20,461.54 is: 30,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642.52 : 32,466.35 = 20,461.54 : x
  2. Step 2: Convert to fraction form
    21,642.52/32,466.35 = 20,461.54/x
  3. Step 3: Cross multiply
    21,642.52x = 32,466.35 × 20,461.54
  4. Step 4: Simplify right side
    21,642.52x = 664,311,489.17
  5. Step 5: Solve for x
    x = 664,311,489.17/21,642.52
  6. Step 6: Final answer
    x = 30,694.74

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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.