Home / 40,276.64-60,423.36-20,297.36

Finding the Fourth Proportional to 40,276.64, 60,423.36 and 20,297.36

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Solution

The fourth proportional to 40,276.64, 60,423.36 and 20,297.36 is: 30,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.64 : 60,423.36 = 20,297.36 : x
  2. Step 2: Convert to fraction form
    40,276.64/60,423.36 = 20,297.36/x
  3. Step 3: Cross multiply
    40,276.64x = 60,423.36 × 20,297.36
  4. Step 4: Simplify right side
    40,276.64x = 1,226,434,690.33
  5. Step 5: Solve for x
    x = 1,226,434,690.33/40,276.64
  6. Step 6: Final answer
    x = 30,450.27

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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.