Home / 31,276.28-46,910.10-7,901.30

Finding the Fourth Proportional to 31,276.28, 46,910.10 and 7,901.30

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Solution

The fourth proportional to 31,276.28, 46,910.10 and 7,901.30 is: 11,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.28 : 46,910.10 = 7,901.30 : x
  2. Step 2: Convert to fraction form
    31,276.28/46,910.10 = 7,901.30/x
  3. Step 3: Cross multiply
    31,276.28x = 46,910.10 × 7,901.30
  4. Step 4: Simplify right side
    31,276.28x = 370,650,773.13
  5. Step 5: Solve for x
    x = 370,650,773.13/31,276.28
  6. Step 6: Final answer
    x = 11,850.86

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1.5x scale

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.