Home / 48,319.78-72,476.43-13,256.50

Finding the Fourth Proportional to 48,319.78, 72,476.43 and 13,256.50

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Solution

The fourth proportional to 48,319.78, 72,476.43 and 13,256.50 is: 19,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,319.78 : 72,476.43 = 13,256.50 : x
  2. Step 2: Convert to fraction form
    48,319.78/72,476.43 = 13,256.50/x
  3. Step 3: Cross multiply
    48,319.78x = 72,476.43 × 13,256.50
  4. Step 4: Simplify right side
    48,319.78x = 960,783,794.30
  5. Step 5: Solve for x
    x = 960,783,794.30/48,319.78
  6. Step 6: Final answer
    x = 19,883.86

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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.