Home / 51,697.20-71,349.96-31,565.84

Finding the Fourth Proportional to 51,697.20, 71,349.96 and 31,565.84

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Solution

The fourth proportional to 51,697.20, 71,349.96 and 31,565.84 is: 43,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,697.20 : 71,349.96 = 31,565.84 : x
  2. Step 2: Convert to fraction form
    51,697.20/71,349.96 = 31,565.84/x
  3. Step 3: Cross multiply
    51,697.20x = 71,349.96 × 31,565.84
  4. Step 4: Simplify right side
    51,697.20x = 2,252,221,421.37
  5. Step 5: Solve for x
    x = 2,252,221,421.37/51,697.20
  6. Step 6: Final answer
    x = 43,565.64

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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.