Home / 45,612.28-68,417.92-14,447.52

Finding the Fourth Proportional to 45,612.28, 68,417.92 and 14,447.52

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Solution

The fourth proportional to 45,612.28, 68,417.92 and 14,447.52 is: 21,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,612.28 : 68,417.92 = 14,447.52 : x
  2. Step 2: Convert to fraction form
    45,612.28/68,417.92 = 14,447.52/x
  3. Step 3: Cross multiply
    45,612.28x = 68,417.92 × 14,447.52
  4. Step 4: Simplify right side
    45,612.28x = 988,469,267.56
  5. Step 5: Solve for x
    x = 988,469,267.56/45,612.28
  6. Step 6: Final answer
    x = 21,671.12

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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.