Home / 31,037.97-46,530.63-12,331.23

Finding the Fourth Proportional to 31,037.97, 46,530.63 and 12,331.23

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Solution

The fourth proportional to 31,037.97, 46,530.63 and 12,331.23 is: 18,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,037.97 : 46,530.63 = 12,331.23 : x
  2. Step 2: Convert to fraction form
    31,037.97/46,530.63 = 12,331.23/x
  3. Step 3: Cross multiply
    31,037.97x = 46,530.63 × 12,331.23
  4. Step 4: Simplify right side
    31,037.97x = 573,779,900.57
  5. Step 5: Solve for x
    x = 573,779,900.57/31,037.97
  6. Step 6: Final answer
    x = 18,486.39

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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.