Home / 40,205.97-55,484.64-22,301.28

Finding the Fourth Proportional to 40,205.97, 55,484.64 and 22,301.28

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Solution

The fourth proportional to 40,205.97, 55,484.64 and 22,301.28 is: 30,775.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,205.97 : 55,484.64 = 22,301.28 : x
  2. Step 2: Convert to fraction form
    40,205.97/55,484.64 = 22,301.28/x
  3. Step 3: Cross multiply
    40,205.97x = 55,484.64 × 22,301.28
  4. Step 4: Simplify right side
    40,205.97x = 1,237,378,492.34
  5. Step 5: Solve for x
    x = 1,237,378,492.34/40,205.97
  6. Step 6: Final answer
    x = 30,775.99

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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.