Home / 46,153.80-69,230.58-21,177.30

Finding the Fourth Proportional to 46,153.80, 69,230.58 and 21,177.30

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Solution

The fourth proportional to 46,153.80, 69,230.58 and 21,177.30 is: 31,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,153.80 : 69,230.58 = 21,177.30 : x
  2. Step 2: Convert to fraction form
    46,153.80/69,230.58 = 21,177.30/x
  3. Step 3: Cross multiply
    46,153.80x = 69,230.58 × 21,177.30
  4. Step 4: Simplify right side
    46,153.80x = 1,466,116,761.83
  5. Step 5: Solve for x
    x = 1,466,116,761.83/46,153.80
  6. Step 6: Final answer
    x = 31,765.89

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Double scale
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Similar ratio
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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.