Home / 40,827.06-56,299.86-38,445.90

Finding the Fourth Proportional to 40,827.06, 56,299.86 and 38,445.90

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Solution

The fourth proportional to 40,827.06, 56,299.86 and 38,445.90 is: 53,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,827.06 : 56,299.86 = 38,445.90 : x
  2. Step 2: Convert to fraction form
    40,827.06/56,299.86 = 38,445.90/x
  3. Step 3: Cross multiply
    40,827.06x = 56,299.86 × 38,445.90
  4. Step 4: Simplify right side
    40,827.06x = 2,164,498,787.57
  5. Step 5: Solve for x
    x = 2,164,498,787.57/40,827.06
  6. Step 6: Final answer
    x = 53,016.28

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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.