Home / 29,043.03-40,077.72-16,121.64

Finding the Fourth Proportional to 29,043.03, 40,077.72 and 16,121.64

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Solution

The fourth proportional to 29,043.03, 40,077.72 and 16,121.64 is: 22,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.03 : 40,077.72 = 16,121.64 : x
  2. Step 2: Convert to fraction form
    29,043.03/40,077.72 = 16,121.64/x
  3. Step 3: Cross multiply
    29,043.03x = 40,077.72 × 16,121.64
  4. Step 4: Simplify right side
    29,043.03x = 646,118,573.86
  5. Step 5: Solve for x
    x = 646,118,573.86/29,043.03
  6. Step 6: Final answer
    x = 22,246.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.