Home / 39,095.31-53,951.23-21,189.86

Finding the Fourth Proportional to 39,095.31, 53,951.23 and 21,189.86

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Solution

The fourth proportional to 39,095.31, 53,951.23 and 21,189.86 is: 29,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,095.31 : 53,951.23 = 21,189.86 : x
  2. Step 2: Convert to fraction form
    39,095.31/53,951.23 = 21,189.86/x
  3. Step 3: Cross multiply
    39,095.31x = 53,951.23 × 21,189.86
  4. Step 4: Simplify right side
    39,095.31x = 1,143,219,010.53
  5. Step 5: Solve for x
    x = 1,143,219,010.53/39,095.31
  6. Step 6: Final answer
    x = 29,241.85

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1.5x scale

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.