Home / 40,348.84-55,676.10-22,440.28

Finding the Fourth Proportional to 40,348.84, 55,676.10 and 22,440.28

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Solution

The fourth proportional to 40,348.84, 55,676.10 and 22,440.28 is: 30,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,348.84 : 55,676.10 = 22,440.28 : x
  2. Step 2: Convert to fraction form
    40,348.84/55,676.10 = 22,440.28/x
  3. Step 3: Cross multiply
    40,348.84x = 55,676.10 × 22,440.28
  4. Step 4: Simplify right side
    40,348.84x = 1,249,387,273.31
  5. Step 5: Solve for x
    x = 1,249,387,273.31/40,348.84
  6. Step 6: Final answer
    x = 30,964.64

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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.