Home / 51,468.40-71,027.66-28,807.21

Finding the Fourth Proportional to 51,468.40, 71,027.66 and 28,807.21

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Solution

The fourth proportional to 51,468.40, 71,027.66 and 28,807.21 is: 39,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,468.40 : 71,027.66 = 28,807.21 : x
  2. Step 2: Convert to fraction form
    51,468.40/71,027.66 = 28,807.21/x
  3. Step 3: Cross multiply
    51,468.40x = 71,027.66 × 28,807.21
  4. Step 4: Simplify right side
    51,468.40x = 2,046,108,218.25
  5. Step 5: Solve for x
    x = 2,046,108,218.25/51,468.40
  6. Step 6: Final answer
    x = 39,754.65

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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.