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Finding the Fourth Proportional to 29,658.41, 40,973.05 and 19,473.60

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Solution

The fourth proportional to 29,658.41, 40,973.05 and 19,473.60 is: 26,902.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,658.41 : 40,973.05 = 19,473.60 : x
  2. Step 2: Convert to fraction form
    29,658.41/40,973.05 = 19,473.60/x
  3. Step 3: Cross multiply
    29,658.41x = 40,973.05 × 19,473.60
  4. Step 4: Simplify right side
    29,658.41x = 797,892,786.48
  5. Step 5: Solve for x
    x = 797,892,786.48/29,658.41
  6. Step 6: Final answer
    x = 26,902.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.