Home / 40,519.48-55,919.70-22,617.98

Finding the Fourth Proportional to 40,519.48, 55,919.70 and 22,617.98

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Solution

The fourth proportional to 40,519.48, 55,919.70 and 22,617.98 is: 31,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,519.48 : 55,919.70 = 22,617.98 : x
  2. Step 2: Convert to fraction form
    40,519.48/55,919.70 = 22,617.98/x
  3. Step 3: Cross multiply
    40,519.48x = 55,919.70 × 22,617.98
  4. Step 4: Simplify right side
    40,519.48x = 1,264,790,656.21
  5. Step 5: Solve for x
    x = 1,264,790,656.21/40,519.48
  6. Step 6: Final answer
    x = 31,214.39

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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.