Home / 39,859.56-54,998.12-30,296.90

Finding the Fourth Proportional to 39,859.56, 54,998.12 and 30,296.90

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Solution

The fourth proportional to 39,859.56, 54,998.12 and 30,296.90 is: 41,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,859.56 : 54,998.12 = 30,296.90 : x
  2. Step 2: Convert to fraction form
    39,859.56/54,998.12 = 30,296.90/x
  3. Step 3: Cross multiply
    39,859.56x = 54,998.12 × 30,296.90
  4. Step 4: Simplify right side
    39,859.56x = 1,666,272,115.35
  5. Step 5: Solve for x
    x = 1,666,272,115.35/39,859.56
  6. Step 6: Final answer
    x = 41,803.58

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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.