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Finding the Fourth Proportional to 72,051.62, 108,030.94 and 29,960.76

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Solution

The fourth proportional to 72,051.62, 108,030.94 and 29,960.76 is: 44,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,051.62 : 108,030.94 = 29,960.76 : x
  2. Step 2: Convert to fraction form
    72,051.62/108,030.94 = 29,960.76/x
  3. Step 3: Cross multiply
    72,051.62x = 108,030.94 × 29,960.76
  4. Step 4: Simplify right side
    72,051.62x = 3,236,689,065.91
  5. Step 5: Solve for x
    x = 3,236,689,065.91/72,051.62
  6. Step 6: Final answer
    x = 44,921.81

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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.