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Finding the Fourth Proportional to 29,304.48, 43,956.12 and 7,117.98

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Solution

The fourth proportional to 29,304.48, 43,956.12 and 7,117.98 is: 10,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.48 : 43,956.12 = 7,117.98 : x
  2. Step 2: Convert to fraction form
    29,304.48/43,956.12 = 7,117.98/x
  3. Step 3: Cross multiply
    29,304.48x = 43,956.12 × 7,117.98
  4. Step 4: Simplify right side
    29,304.48x = 312,878,604.86
  5. Step 5: Solve for x
    x = 312,878,604.86/29,304.48
  6. Step 6: Final answer
    x = 10,676.82

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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.