Home / 42,422.54-63,633.20-14,336.60

Finding the Fourth Proportional to 42,422.54, 63,633.20 and 14,336.60

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Solution

The fourth proportional to 42,422.54, 63,633.20 and 14,336.60 is: 21,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,422.54 : 63,633.20 = 14,336.60 : x
  2. Step 2: Convert to fraction form
    42,422.54/63,633.20 = 14,336.60/x
  3. Step 3: Cross multiply
    42,422.54x = 63,633.20 × 14,336.60
  4. Step 4: Simplify right side
    42,422.54x = 912,283,345.27
  5. Step 5: Solve for x
    x = 912,283,345.27/42,422.54
  6. Step 6: Final answer
    x = 21,504.69

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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.