Home / 39,033,695.50-53,866,820.71-21,630,331.35

Finding the Fourth Proportional to 39,033,695.50, 53,866,820.71 and 21,630,331.35

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Solution

The fourth proportional to 39,033,695.50, 53,866,820.71 and 21,630,331.35 is: 29,850,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,695.50 : 53,866,820.71 = 21,630,331.35 : x
  2. Step 2: Convert to fraction form
    39,033,695.50/53,866,820.71 = 21,630,331.35/x
  3. Step 3: Cross multiply
    39,033,695.50x = 53,866,820.71 × 21,630,331.35
  4. Step 4: Simplify right side
    39,033,695.50x = 1,165,157,180,755,380.25
  5. Step 5: Solve for x
    x = 1,165,157,180,755,380.25/39,033,695.50
  6. Step 6: Final answer
    x = 29,850,035.10

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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.