Home / 38,766.65-53,499.27-21,773.89

Finding the Fourth Proportional to 38,766.65, 53,499.27 and 21,773.89

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Solution

The fourth proportional to 38,766.65, 53,499.27 and 21,773.89 is: 30,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766.65 : 53,499.27 = 21,773.89 : x
  2. Step 2: Convert to fraction form
    38,766.65/53,499.27 = 21,773.89/x
  3. Step 3: Cross multiply
    38,766.65x = 53,499.27 × 21,773.89
  4. Step 4: Simplify right side
    38,766.65x = 1,164,887,246.11
  5. Step 5: Solve for x
    x = 1,164,887,246.11/38,766.65
  6. Step 6: Final answer
    x = 30,048.69

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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.