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Finding the Fourth Proportional to 63,368.12, 87,446.04 and 36,510.68

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Solution

The fourth proportional to 63,368.12, 87,446.04 and 36,510.68 is: 50,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,368.12 : 87,446.04 = 36,510.68 : x
  2. Step 2: Convert to fraction form
    63,368.12/87,446.04 = 36,510.68/x
  3. Step 3: Cross multiply
    63,368.12x = 87,446.04 × 36,510.68
  4. Step 4: Simplify right side
    63,368.12x = 3,192,714,383.71
  5. Step 5: Solve for x
    x = 3,192,714,383.71/63,368.12
  6. Step 6: Final answer
    x = 50,383.61

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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.