Home / 47,983.56-71,889.15-28,251.36

Finding the Fourth Proportional to 47,983.56, 71,889.15 and 28,251.36

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Solution

The fourth proportional to 47,983.56, 71,889.15 and 28,251.36 is: 42,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,983.56 : 71,889.15 = 28,251.36 : x
  2. Step 2: Convert to fraction form
    47,983.56/71,889.15 = 28,251.36/x
  3. Step 3: Cross multiply
    47,983.56x = 71,889.15 × 28,251.36
  4. Step 4: Simplify right side
    47,983.56x = 2,030,966,256.74
  5. Step 5: Solve for x
    x = 2,030,966,256.74/47,983.56
  6. Step 6: Final answer
    x = 42,326.29

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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.