Home / 40,276.32-60,326.88-19,456

Finding the Fourth Proportional to 40,276.32, 60,326.88 and 19,456

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Solution

The fourth proportional to 40,276.32, 60,326.88 and 19,456 is: 29,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.32 : 60,326.88 = 19,456 : x
  2. Step 2: Convert to fraction form
    40,276.32/60,326.88 = 19,456/x
  3. Step 3: Cross multiply
    40,276.32x = 60,326.88 × 19,456
  4. Step 4: Simplify right side
    40,276.32x = 1,173,719,777.28
  5. Step 5: Solve for x
    x = 1,173,719,777.28/40,276.32
  6. Step 6: Final answer
    x = 29,141.68

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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.