Home / 45,518.94-68,278.41-14,356.62

Finding the Fourth Proportional to 45,518.94, 68,278.41 and 14,356.62

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Solution

The fourth proportional to 45,518.94, 68,278.41 and 14,356.62 is: 21,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,518.94 : 68,278.41 = 14,356.62 : x
  2. Step 2: Convert to fraction form
    45,518.94/68,278.41 = 14,356.62/x
  3. Step 3: Cross multiply
    45,518.94x = 68,278.41 × 14,356.62
  4. Step 4: Simplify right side
    45,518.94x = 980,247,186.57
  5. Step 5: Solve for x
    x = 980,247,186.57/45,518.94
  6. Step 6: Final answer
    x = 21,534.93

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Similar ratio
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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.