Home / 45,518.64-68,308.88-15,936.36

Finding the Fourth Proportional to 45,518.64, 68,308.88 and 15,936.36

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Solution

The fourth proportional to 45,518.64, 68,308.88 and 15,936.36 is: 23,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,518.64 : 68,308.88 = 15,936.36 : x
  2. Step 2: Convert to fraction form
    45,518.64/68,308.88 = 15,936.36/x
  3. Step 3: Cross multiply
    45,518.64x = 68,308.88 × 15,936.36
  4. Step 4: Simplify right side
    45,518.64x = 1,088,594,823.20
  5. Step 5: Solve for x
    x = 1,088,594,823.20/45,518.64
  6. Step 6: Final answer
    x = 23,915.36

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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.