Home / 40,823.09-56,341.68-22,919.30

Finding the Fourth Proportional to 40,823.09, 56,341.68 and 22,919.30

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Solution

The fourth proportional to 40,823.09, 56,341.68 and 22,919.30 is: 31,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,823.09 : 56,341.68 = 22,919.30 : x
  2. Step 2: Convert to fraction form
    40,823.09/56,341.68 = 22,919.30/x
  3. Step 3: Cross multiply
    40,823.09x = 56,341.68 × 22,919.30
  4. Step 4: Simplify right side
    40,823.09x = 1,291,312,026.97
  5. Step 5: Solve for x
    x = 1,291,312,026.97/40,823.09
  6. Step 6: Final answer
    x = 31,631.90

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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.