Home / 47,124.22-65,042.91-28,979.41

Finding the Fourth Proportional to 47,124.22, 65,042.91 and 28,979.41

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Solution

The fourth proportional to 47,124.22, 65,042.91 and 28,979.41 is: 39,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,124.22 : 65,042.91 = 28,979.41 : x
  2. Step 2: Convert to fraction form
    47,124.22/65,042.91 = 28,979.41/x
  3. Step 3: Cross multiply
    47,124.22x = 65,042.91 × 28,979.41
  4. Step 4: Simplify right side
    47,124.22x = 1,884,905,156.48
  5. Step 5: Solve for x
    x = 1,884,905,156.48/47,124.22
  6. Step 6: Final answer
    x = 39,998.65

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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.