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Finding the Fourth Proportional to 29,378.70, 44,070.21 and 10,658.83

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Solution

The fourth proportional to 29,378.70, 44,070.21 and 10,658.83 is: 15,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.70 : 44,070.21 = 10,658.83 : x
  2. Step 2: Convert to fraction form
    29,378.70/44,070.21 = 10,658.83/x
  3. Step 3: Cross multiply
    29,378.70x = 44,070.21 × 10,658.83
  4. Step 4: Simplify right side
    29,378.70x = 469,736,876.45
  5. Step 5: Solve for x
    x = 469,736,876.45/29,378.70
  6. Step 6: Final answer
    x = 15,989.03

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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.