Home / 31,070.13-46,579.41-12,338.61

Finding the Fourth Proportional to 31,070.13, 46,579.41 and 12,338.61

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Solution

The fourth proportional to 31,070.13, 46,579.41 and 12,338.61 is: 18,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,070.13 : 46,579.41 = 12,338.61 : x
  2. Step 2: Convert to fraction form
    31,070.13/46,579.41 = 12,338.61/x
  3. Step 3: Cross multiply
    31,070.13x = 46,579.41 × 12,338.61
  4. Step 4: Simplify right side
    31,070.13x = 574,725,174.02
  5. Step 5: Solve for x
    x = 574,725,174.02/31,070.13
  6. Step 6: Final answer
    x = 18,497.68

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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.