Home / 39,521,733.50-54,539,992.26-21,433,797.50

Finding the Fourth Proportional to 39,521,733.50, 54,539,992.26 and 21,433,797.50

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Solution

The fourth proportional to 39,521,733.50, 54,539,992.26 and 21,433,797.50 is: 29,578,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521,733.50 : 54,539,992.26 = 21,433,797.50 : x
  2. Step 2: Convert to fraction form
    39,521,733.50/54,539,992.26 = 21,433,797.50/x
  3. Step 3: Cross multiply
    39,521,733.50x = 54,539,992.26 × 21,433,797.50
  4. Step 4: Simplify right side
    39,521,733.50x = 1,168,999,149,752,407.25
  5. Step 5: Solve for x
    x = 1,168,999,149,752,407.25/39,521,733.50
  6. Step 6: Final answer
    x = 29,578,640.57

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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.