Home / 40,947.40-61,410.30-12,867.40

Finding the Fourth Proportional to 40,947.40, 61,410.30 and 12,867.40

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Solution

The fourth proportional to 40,947.40, 61,410.30 and 12,867.40 is: 19,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,947.40 : 61,410.30 = 12,867.40 : x
  2. Step 2: Convert to fraction form
    40,947.40/61,410.30 = 12,867.40/x
  3. Step 3: Cross multiply
    40,947.40x = 61,410.30 × 12,867.40
  4. Step 4: Simplify right side
    40,947.40x = 790,190,894.22
  5. Step 5: Solve for x
    x = 790,190,894.22/40,947.40
  6. Step 6: Final answer
    x = 19,297.71

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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.