Home / 35,970,514.80-54,011,759.40-20,853,970.80

Finding the Fourth Proportional to 35,970,514.80, 54,011,759.40 and 20,853,970.80

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Solution

The fourth proportional to 35,970,514.80, 54,011,759.40 and 20,853,970.80 is: 31,313,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970,514.80 : 54,011,759.40 = 20,853,970.80 : x
  2. Step 2: Convert to fraction form
    35,970,514.80/54,011,759.40 = 20,853,970.80/x
  3. Step 3: Cross multiply
    35,970,514.80x = 54,011,759.40 × 20,853,970.80
  4. Step 4: Simplify right side
    35,970,514.80x = 1,126,359,653,384,225.50
  5. Step 5: Solve for x
    x = 1,126,359,653,384,225.50/35,970,514.80
  6. Step 6: Final answer
    x = 31,313,414.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.