Home / 36,540.72-50,417.64-21,432.60

Finding the Fourth Proportional to 36,540.72, 50,417.64 and 21,432.60

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Solution

The fourth proportional to 36,540.72, 50,417.64 and 21,432.60 is: 29,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,540.72 : 50,417.64 = 21,432.60 : x
  2. Step 2: Convert to fraction form
    36,540.72/50,417.64 = 21,432.60/x
  3. Step 3: Cross multiply
    36,540.72x = 50,417.64 × 21,432.60
  4. Step 4: Simplify right side
    36,540.72x = 1,080,581,111.06
  5. Step 5: Solve for x
    x = 1,080,581,111.06/36,540.72
  6. Step 6: Final answer
    x = 29,571.97

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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.