Home / 45,408.49-68,113.12-15,826.28

Finding the Fourth Proportional to 45,408.49, 68,113.12 and 15,826.28

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Solution

The fourth proportional to 45,408.49, 68,113.12 and 15,826.28 is: 23,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.49 : 68,113.12 = 15,826.28 : x
  2. Step 2: Convert to fraction form
    45,408.49/68,113.12 = 15,826.28/x
  3. Step 3: Cross multiply
    45,408.49x = 68,113.12 × 15,826.28
  4. Step 4: Simplify right side
    45,408.49x = 1,077,976,928.66
  5. Step 5: Solve for x
    x = 1,077,976,928.66/45,408.49
  6. Step 6: Final answer
    x = 23,739.55

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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.