Home / 40,425.76-60,647.28-14,131.36

Finding the Fourth Proportional to 40,425.76, 60,647.28 and 14,131.36

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Solution

The fourth proportional to 40,425.76, 60,647.28 and 14,131.36 is: 21,200.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.76 : 60,647.28 = 14,131.36 : x
  2. Step 2: Convert to fraction form
    40,425.76/60,647.28 = 14,131.36/x
  3. Step 3: Cross multiply
    40,425.76x = 60,647.28 × 14,131.36
  4. Step 4: Simplify right side
    40,425.76x = 857,028,546.70
  5. Step 5: Solve for x
    x = 857,028,546.70/40,425.76
  6. Step 6: Final answer
    x = 21,200.06

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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.