Home / 39,033,695.87-53,866,821.23-21,630,331.73

Finding the Fourth Proportional to 39,033,695.87, 53,866,821.23 and 21,630,331.73

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Solution

The fourth proportional to 39,033,695.87, 53,866,821.23 and 21,630,331.73 is: 29,850,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,695.87 : 53,866,821.23 = 21,630,331.73 : x
  2. Step 2: Convert to fraction form
    39,033,695.87/53,866,821.23 = 21,630,331.73/x
  3. Step 3: Cross multiply
    39,033,695.87x = 53,866,821.23 × 21,630,331.73
  4. Step 4: Simplify right side
    39,033,695.87x = 1,165,157,212,149,134.75
  5. Step 5: Solve for x
    x = 1,165,157,212,149,134.75/39,033,695.87
  6. Step 6: Final answer
    x = 29,850,035.62

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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.