Home / 45,518.82-68,278.22-14,356.50

Finding the Fourth Proportional to 45,518.82, 68,278.22 and 14,356.50

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Solution

The fourth proportional to 45,518.82, 68,278.22 and 14,356.50 is: 21,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,518.82 : 68,278.22 = 14,356.50 : x
  2. Step 2: Convert to fraction form
    45,518.82/68,278.22 = 14,356.50/x
  3. Step 3: Cross multiply
    45,518.82x = 68,278.22 × 14,356.50
  4. Step 4: Simplify right side
    45,518.82x = 980,235,959.93
  5. Step 5: Solve for x
    x = 980,235,959.93/45,518.82
  6. Step 6: Final answer
    x = 21,534.74

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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.