Home / 45,416.10-68,124.15-14,251.30

Finding the Fourth Proportional to 45,416.10, 68,124.15 and 14,251.30

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Solution

The fourth proportional to 45,416.10, 68,124.15 and 14,251.30 is: 21,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,416.10 : 68,124.15 = 14,251.30 : x
  2. Step 2: Convert to fraction form
    45,416.10/68,124.15 = 14,251.30/x
  3. Step 3: Cross multiply
    45,416.10x = 68,124.15 × 14,251.30
  4. Step 4: Simplify right side
    45,416.10x = 970,857,698.90
  5. Step 5: Solve for x
    x = 970,857,698.90/45,416.10
  6. Step 6: Final answer
    x = 21,376.95

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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.