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Finding the Fourth Proportional to 29,649.76, 44,480.60 and 10,929.90

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Solution

The fourth proportional to 29,649.76, 44,480.60 and 10,929.90 is: 16,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,649.76 : 44,480.60 = 10,929.90 : x
  2. Step 2: Convert to fraction form
    29,649.76/44,480.60 = 10,929.90/x
  3. Step 3: Cross multiply
    29,649.76x = 44,480.60 × 10,929.90
  4. Step 4: Simplify right side
    29,649.76x = 486,168,509.94
  5. Step 5: Solve for x
    x = 486,168,509.94/29,649.76
  6. Step 6: Final answer
    x = 16,397.05

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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.