Home / 47,731.02-65,917.74-35,775.42

Finding the Fourth Proportional to 47,731.02, 65,917.74 and 35,775.42

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Solution

The fourth proportional to 47,731.02, 65,917.74 and 35,775.42 is: 49,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.02 : 65,917.74 = 35,775.42 : x
  2. Step 2: Convert to fraction form
    47,731.02/65,917.74 = 35,775.42/x
  3. Step 3: Cross multiply
    47,731.02x = 65,917.74 × 35,775.42
  4. Step 4: Simplify right side
    47,731.02x = 2,358,234,833.95
  5. Step 5: Solve for x
    x = 2,358,234,833.95/47,731.02
  6. Step 6: Final answer
    x = 49,406.76

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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.