Home / 40,439.72-55,810.90-22,537.64

Finding the Fourth Proportional to 40,439.72, 55,810.90 and 22,537.64

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Solution

The fourth proportional to 40,439.72, 55,810.90 and 22,537.64 is: 31,104.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,439.72 : 55,810.90 = 22,537.64 : x
  2. Step 2: Convert to fraction form
    40,439.72/55,810.90 = 22,537.64/x
  3. Step 3: Cross multiply
    40,439.72x = 55,810.90 × 22,537.64
  4. Step 4: Simplify right side
    40,439.72x = 1,257,845,972.28
  5. Step 5: Solve for x
    x = 1,257,845,972.28/40,439.72
  6. Step 6: Final answer
    x = 31,104.22

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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.