Home / 47,178.08-65,035.31-31,234.85

Finding the Fourth Proportional to 47,178.08, 65,035.31 and 31,234.85

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Solution

The fourth proportional to 47,178.08, 65,035.31 and 31,234.85 is: 43,057.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,178.08 : 65,035.31 = 31,234.85 : x
  2. Step 2: Convert to fraction form
    47,178.08/65,035.31 = 31,234.85/x
  3. Step 3: Cross multiply
    47,178.08x = 65,035.31 × 31,234.85
  4. Step 4: Simplify right side
    47,178.08x = 2,031,368,393.23
  5. Step 5: Solve for x
    x = 2,031,368,393.23/47,178.08
  6. Step 6: Final answer
    x = 43,057.46

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1.5x scale

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.