Home / 47,979.40-72,031.46-36,893.87

Finding the Fourth Proportional to 47,979.40, 72,031.46 and 36,893.87

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Solution

The fourth proportional to 47,979.40, 72,031.46 and 36,893.87 is: 55,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.40 : 72,031.46 = 36,893.87 : x
  2. Step 2: Convert to fraction form
    47,979.40/72,031.46 = 36,893.87/x
  3. Step 3: Cross multiply
    47,979.40x = 72,031.46 × 36,893.87
  4. Step 4: Simplify right side
    47,979.40x = 2,657,519,321.15
  5. Step 5: Solve for x
    x = 2,657,519,321.15/47,979.40
  6. Step 6: Final answer
    x = 55,388.76

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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.