Home / 40,788.72-56,289.30-22,885.02

Finding the Fourth Proportional to 40,788.72, 56,289.30 and 22,885.02

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Solution

The fourth proportional to 40,788.72, 56,289.30 and 22,885.02 is: 31,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788.72 : 56,289.30 = 22,885.02 : x
  2. Step 2: Convert to fraction form
    40,788.72/56,289.30 = 22,885.02/x
  3. Step 3: Cross multiply
    40,788.72x = 56,289.30 × 22,885.02
  4. Step 4: Simplify right side
    40,788.72x = 1,288,181,756.29
  5. Step 5: Solve for x
    x = 1,288,181,756.29/40,788.72
  6. Step 6: Final answer
    x = 31,581.81

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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.