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Finding the Fourth Proportional to 29,073.44, 40,133.40 and 19,654.76

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Solution

The fourth proportional to 29,073.44, 40,133.40 and 19,654.76 is: 27,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,073.44 : 40,133.40 = 19,654.76 : x
  2. Step 2: Convert to fraction form
    29,073.44/40,133.40 = 19,654.76/x
  3. Step 3: Cross multiply
    29,073.44x = 40,133.40 × 19,654.76
  4. Step 4: Simplify right side
    29,073.44x = 788,812,344.98
  5. Step 5: Solve for x
    x = 788,812,344.98/29,073.44
  6. Step 6: Final answer
    x = 27,131.72

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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.