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Finding the Fourth Proportional to 29,869.43, 44,802.05 and 8,810.78

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Solution

The fourth proportional to 29,869.43, 44,802.05 and 8,810.78 is: 13,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,869.43 : 44,802.05 = 8,810.78 : x
  2. Step 2: Convert to fraction form
    29,869.43/44,802.05 = 8,810.78/x
  3. Step 3: Cross multiply
    29,869.43x = 44,802.05 × 8,810.78
  4. Step 4: Simplify right side
    29,869.43x = 394,740,738.03
  5. Step 5: Solve for x
    x = 394,740,738.03/29,869.43
  6. Step 6: Final answer
    x = 13,215.55

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1.5x scale

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.