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Finding the Fourth Proportional to 64,655.24, 89,226.24 and 36,362.48

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Solution

The fourth proportional to 64,655.24, 89,226.24 and 36,362.48 is: 50,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,655.24 : 89,226.24 = 36,362.48 : x
  2. Step 2: Convert to fraction form
    64,655.24/89,226.24 = 36,362.48/x
  3. Step 3: Cross multiply
    64,655.24x = 89,226.24 × 36,362.48
  4. Step 4: Simplify right side
    64,655.24x = 3,244,487,367.48
  5. Step 5: Solve for x
    x = 3,244,487,367.48/64,655.24
  6. Step 6: Final answer
    x = 50,181.35

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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.