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Finding the Fourth Proportional to 29,100.48, 43,405.92 and 28,225.92

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Solution

The fourth proportional to 29,100.48, 43,405.92 and 28,225.92 is: 42,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,100.48 : 43,405.92 = 28,225.92 : x
  2. Step 2: Convert to fraction form
    29,100.48/43,405.92 = 28,225.92/x
  3. Step 3: Cross multiply
    29,100.48x = 43,405.92 × 28,225.92
  4. Step 4: Simplify right side
    29,100.48x = 1,225,172,025.45
  5. Step 5: Solve for x
    x = 1,225,172,025.45/29,100.48
  6. Step 6: Final answer
    x = 42,101.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.