Home / 40,208.19-55,487.43-22,304.85

Finding the Fourth Proportional to 40,208.19, 55,487.43 and 22,304.85

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Solution

The fourth proportional to 40,208.19, 55,487.43 and 22,304.85 is: 30,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.19 : 55,487.43 = 22,304.85 : x
  2. Step 2: Convert to fraction form
    40,208.19/55,487.43 = 22,304.85/x
  3. Step 3: Cross multiply
    40,208.19x = 55,487.43 × 22,304.85
  4. Step 4: Simplify right side
    40,208.19x = 1,237,638,803.04
  5. Step 5: Solve for x
    x = 1,237,638,803.04/40,208.19
  6. Step 6: Final answer
    x = 30,780.76

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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.