Home / 39,095.06-53,950.88-21,189.61

Finding the Fourth Proportional to 39,095.06, 53,950.88 and 21,189.61

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Solution

The fourth proportional to 39,095.06, 53,950.88 and 21,189.61 is: 29,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,095.06 : 53,950.88 = 21,189.61 : x
  2. Step 2: Convert to fraction form
    39,095.06/53,950.88 = 21,189.61/x
  3. Step 3: Cross multiply
    39,095.06x = 53,950.88 × 21,189.61
  4. Step 4: Simplify right side
    39,095.06x = 1,143,198,024.45
  5. Step 5: Solve for x
    x = 1,143,198,024.45/39,095.06
  6. Step 6: Final answer
    x = 29,241.49

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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.