Home / 39,133,110.30-54,001,891.35-21,730,563.42

Finding the Fourth Proportional to 39,133,110.30, 54,001,891.35 and 21,730,563.42

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Solution

The fourth proportional to 39,133,110.30, 54,001,891.35 and 21,730,563.42 is: 29,987,177.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,133,110.30 : 54,001,891.35 = 21,730,563.42 : x
  2. Step 2: Convert to fraction form
    39,133,110.30/54,001,891.35 = 21,730,563.42/x
  3. Step 3: Cross multiply
    39,133,110.30x = 54,001,891.35 × 21,730,563.42
  4. Step 4: Simplify right side
    39,133,110.30x = 1,173,491,524,781,124.50
  5. Step 5: Solve for x
    x = 1,173,491,524,781,124.50/39,133,110.30
  6. Step 6: Final answer
    x = 29,987,177.50

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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.