Home / 45,467.19-62,770.75-30,385.40

Finding the Fourth Proportional to 45,467.19, 62,770.75 and 30,385.40

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Solution

The fourth proportional to 45,467.19, 62,770.75 and 30,385.40 is: 41,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,467.19 : 62,770.75 = 30,385.40 : x
  2. Step 2: Convert to fraction form
    45,467.19/62,770.75 = 30,385.40/x
  3. Step 3: Cross multiply
    45,467.19x = 62,770.75 × 30,385.40
  4. Step 4: Simplify right side
    45,467.19x = 1,907,313,957.23
  5. Step 5: Solve for x
    x = 1,907,313,957.23/45,467.19
  6. Step 6: Final answer
    x = 41,949.24

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.