Home / 47,789.01-65,967.12-31,867.65

Finding the Fourth Proportional to 47,789.01, 65,967.12 and 31,867.65

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Solution

The fourth proportional to 47,789.01, 65,967.12 and 31,867.65 is: 43,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,789.01 : 65,967.12 = 31,867.65 : x
  2. Step 2: Convert to fraction form
    47,789.01/65,967.12 = 31,867.65/x
  3. Step 3: Cross multiply
    47,789.01x = 65,967.12 × 31,867.65
  4. Step 4: Simplify right side
    47,789.01x = 2,102,217,091.67
  5. Step 5: Solve for x
    x = 2,102,217,091.67/47,789.01
  6. Step 6: Final answer
    x = 43,989.55

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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.