Home / 40,881.44-56,459.22-28,167.68

Finding the Fourth Proportional to 40,881.44, 56,459.22 and 28,167.68

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Solution

The fourth proportional to 40,881.44, 56,459.22 and 28,167.68 is: 38,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,881.44 : 56,459.22 = 28,167.68 : x
  2. Step 2: Convert to fraction form
    40,881.44/56,459.22 = 28,167.68/x
  3. Step 3: Cross multiply
    40,881.44x = 56,459.22 × 28,167.68
  4. Step 4: Simplify right side
    40,881.44x = 1,590,325,242.01
  5. Step 5: Solve for x
    x = 1,590,325,242.01/40,881.44
  6. Step 6: Final answer
    x = 38,900.91

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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.