Home / 47,587.10-65,649.30-28,456.34

Finding the Fourth Proportional to 47,587.10, 65,649.30 and 28,456.34

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Solution

The fourth proportional to 47,587.10, 65,649.30 and 28,456.34 is: 39,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,587.10 : 65,649.30 = 28,456.34 : x
  2. Step 2: Convert to fraction form
    47,587.10/65,649.30 = 28,456.34/x
  3. Step 3: Cross multiply
    47,587.10x = 65,649.30 × 28,456.34
  4. Step 4: Simplify right side
    47,587.10x = 1,868,138,801.56
  5. Step 5: Solve for x
    x = 1,868,138,801.56/47,587.10
  6. Step 6: Final answer
    x = 39,257.25

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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.