Home / 52,388.08-72,245.84-40,432.48

Finding the Fourth Proportional to 52,388.08, 72,245.84 and 40,432.48

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Solution

The fourth proportional to 52,388.08, 72,245.84 and 40,432.48 is: 55,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,388.08 : 72,245.84 = 40,432.48 : x
  2. Step 2: Convert to fraction form
    52,388.08/72,245.84 = 40,432.48/x
  3. Step 3: Cross multiply
    52,388.08x = 72,245.84 × 40,432.48
  4. Step 4: Simplify right side
    52,388.08x = 2,921,078,480.88
  5. Step 5: Solve for x
    x = 2,921,078,480.88/52,388.08
  6. Step 6: Final answer
    x = 55,758.46

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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.