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Finding the Fourth Proportional to 29,857.76, 44,792.80 and 10,135.76

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Solution

The fourth proportional to 29,857.76, 44,792.80 and 10,135.76 is: 15,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,857.76 : 44,792.80 = 10,135.76 : x
  2. Step 2: Convert to fraction form
    29,857.76/44,792.80 = 10,135.76/x
  3. Step 3: Cross multiply
    29,857.76x = 44,792.80 × 10,135.76
  4. Step 4: Simplify right side
    29,857.76x = 454,009,070.53
  5. Step 5: Solve for x
    x = 454,009,070.53/29,857.76
  6. Step 6: Final answer
    x = 15,205.73

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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.