Home / 38,872.20-53,668.98-29,903.16

Finding the Fourth Proportional to 38,872.20, 53,668.98 and 29,903.16

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Solution

The fourth proportional to 38,872.20, 53,668.98 and 29,903.16 is: 41,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,872.20 : 53,668.98 = 29,903.16 : x
  2. Step 2: Convert to fraction form
    38,872.20/53,668.98 = 29,903.16/x
  3. Step 3: Cross multiply
    38,872.20x = 53,668.98 × 29,903.16
  4. Step 4: Simplify right side
    38,872.20x = 1,604,872,095.98
  5. Step 5: Solve for x
    x = 1,604,872,095.98/38,872.20
  6. Step 6: Final answer
    x = 41,285.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.