Home / 31,056.40-46,584.60-10,279.90

Finding the Fourth Proportional to 31,056.40, 46,584.60 and 10,279.90

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Solution

The fourth proportional to 31,056.40, 46,584.60 and 10,279.90 is: 15,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,056.40 : 46,584.60 = 10,279.90 : x
  2. Step 2: Convert to fraction form
    31,056.40/46,584.60 = 10,279.90/x
  3. Step 3: Cross multiply
    31,056.40x = 46,584.60 × 10,279.90
  4. Step 4: Simplify right side
    31,056.40x = 478,885,029.54
  5. Step 5: Solve for x
    x = 478,885,029.54/31,056.40
  6. Step 6: Final answer
    x = 15,419.85

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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.