Home / 31,002.70-46,497.02-8,815.58

Finding the Fourth Proportional to 31,002.70, 46,497.02 and 8,815.58

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Solution

The fourth proportional to 31,002.70, 46,497.02 and 8,815.58 is: 13,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,002.70 : 46,497.02 = 8,815.58 : x
  2. Step 2: Convert to fraction form
    31,002.70/46,497.02 = 8,815.58/x
  3. Step 3: Cross multiply
    31,002.70x = 46,497.02 × 8,815.58
  4. Step 4: Simplify right side
    31,002.70x = 409,898,199.57
  5. Step 5: Solve for x
    x = 409,898,199.57/31,002.70
  6. Step 6: Final answer
    x = 13,221.37

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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.