Home / 40,632.72-56,071.40-25,540.88

Finding the Fourth Proportional to 40,632.72, 56,071.40 and 25,540.88

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Solution

The fourth proportional to 40,632.72, 56,071.40 and 25,540.88 is: 35,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,632.72 : 56,071.40 = 25,540.88 : x
  2. Step 2: Convert to fraction form
    40,632.72/56,071.40 = 25,540.88/x
  3. Step 3: Cross multiply
    40,632.72x = 56,071.40 × 25,540.88
  4. Step 4: Simplify right side
    40,632.72x = 1,432,112,898.83
  5. Step 5: Solve for x
    x = 1,432,112,898.83/40,632.72
  6. Step 6: Final answer
    x = 35,245.31

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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.