Home / 45,284.28-67,922.10-14,119.80

Finding the Fourth Proportional to 45,284.28, 67,922.10 and 14,119.80

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Solution

The fourth proportional to 45,284.28, 67,922.10 and 14,119.80 is: 21,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,284.28 : 67,922.10 = 14,119.80 : x
  2. Step 2: Convert to fraction form
    45,284.28/67,922.10 = 14,119.80/x
  3. Step 3: Cross multiply
    45,284.28x = 67,922.10 × 14,119.80
  4. Step 4: Simplify right side
    45,284.28x = 959,046,467.58
  5. Step 5: Solve for x
    x = 959,046,467.58/45,284.28
  6. Step 6: Final answer
    x = 21,178.35

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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.