Home / 63,619.08-87,765.54-40,949.94

Finding the Fourth Proportional to 63,619.08, 87,765.54 and 40,949.94

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Solution

The fourth proportional to 63,619.08, 87,765.54 and 40,949.94 is: 56,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,619.08 : 87,765.54 = 40,949.94 : x
  2. Step 2: Convert to fraction form
    63,619.08/87,765.54 = 40,949.94/x
  3. Step 3: Cross multiply
    63,619.08x = 87,765.54 × 40,949.94
  4. Step 4: Simplify right side
    63,619.08x = 3,593,993,597.07
  5. Step 5: Solve for x
    x = 3,593,993,597.07/63,619.08
  6. Step 6: Final answer
    x = 56,492.39

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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.