Home / 47,278.37-65,255.27-29,386.88

Finding the Fourth Proportional to 47,278.37, 65,255.27 and 29,386.88

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Solution

The fourth proportional to 47,278.37, 65,255.27 and 29,386.88 is: 40,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278.37 : 65,255.27 = 29,386.88 : x
  2. Step 2: Convert to fraction form
    47,278.37/65,255.27 = 29,386.88/x
  3. Step 3: Cross multiply
    47,278.37x = 65,255.27 × 29,386.88
  4. Step 4: Simplify right side
    47,278.37x = 1,917,648,788.86
  5. Step 5: Solve for x
    x = 1,917,648,788.86/47,278.37
  6. Step 6: Final answer
    x = 40,560.81

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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.