Home / 31,826.40-47,755.08-12,850.26

Finding the Fourth Proportional to 31,826.40, 47,755.08 and 12,850.26

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Solution

The fourth proportional to 31,826.40, 47,755.08 and 12,850.26 is: 19,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826.40 : 47,755.08 = 12,850.26 : x
  2. Step 2: Convert to fraction form
    31,826.40/47,755.08 = 12,850.26/x
  3. Step 3: Cross multiply
    31,826.40x = 47,755.08 × 12,850.26
  4. Step 4: Simplify right side
    31,826.40x = 613,665,194.32
  5. Step 5: Solve for x
    x = 613,665,194.32/31,826.40
  6. Step 6: Final answer
    x = 19,281.64

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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.