Home / 45,519.82-68,279.72-14,357.50

Finding the Fourth Proportional to 45,519.82, 68,279.72 and 14,357.50

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Solution

The fourth proportional to 45,519.82, 68,279.72 and 14,357.50 is: 21,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,519.82 : 68,279.72 = 14,357.50 : x
  2. Step 2: Convert to fraction form
    45,519.82/68,279.72 = 14,357.50/x
  3. Step 3: Cross multiply
    45,519.82x = 68,279.72 × 14,357.50
  4. Step 4: Simplify right side
    45,519.82x = 980,326,079.90
  5. Step 5: Solve for x
    x = 980,326,079.90/45,519.82
  6. Step 6: Final answer
    x = 21,536.25

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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.