Home / 40,769.21-56,256.07-22,619.64

Finding the Fourth Proportional to 40,769.21, 56,256.07 and 22,619.64

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Solution

The fourth proportional to 40,769.21, 56,256.07 and 22,619.64 is: 31,212.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,769.21 : 56,256.07 = 22,619.64 : x
  2. Step 2: Convert to fraction form
    40,769.21/56,256.07 = 22,619.64/x
  3. Step 3: Cross multiply
    40,769.21x = 56,256.07 × 22,619.64
  4. Step 4: Simplify right side
    40,769.21x = 1,272,492,051.21
  5. Step 5: Solve for x
    x = 1,272,492,051.21/40,769.21
  6. Step 6: Final answer
    x = 31,212.09

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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.