Home / 40,796.25-61,203.15-12,715.71

Finding the Fourth Proportional to 40,796.25, 61,203.15 and 12,715.71

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Solution

The fourth proportional to 40,796.25, 61,203.15 and 12,715.71 is: 19,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,796.25 : 61,203.15 = 12,715.71 : x
  2. Step 2: Convert to fraction form
    40,796.25/61,203.15 = 12,715.71/x
  3. Step 3: Cross multiply
    40,796.25x = 61,203.15 × 12,715.71
  4. Step 4: Simplify right side
    40,796.25x = 778,241,506.49
  5. Step 5: Solve for x
    x = 778,241,506.49/40,796.25
  6. Step 6: Final answer
    x = 19,076.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.