Home / 39,239,818.21-54,150,519.38-21,598,343.59

Finding the Fourth Proportional to 39,239,818.21, 54,150,519.38 and 21,598,343.59

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Solution

The fourth proportional to 39,239,818.21, 54,150,519.38 and 21,598,343.59 is: 29,805,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239,818.21 : 54,150,519.38 = 21,598,343.59 : x
  2. Step 2: Convert to fraction form
    39,239,818.21/54,150,519.38 = 21,598,343.59/x
  3. Step 3: Cross multiply
    39,239,818.21x = 54,150,519.38 × 21,598,343.59
  4. Step 4: Simplify right side
    39,239,818.21x = 1,169,561,523,146,193.75
  5. Step 5: Solve for x
    x = 1,169,561,523,146,193.75/39,239,818.21
  6. Step 6: Final answer
    x = 29,805,477.61

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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.