Home / 51,276.29-76,739.45-42,965.69

Finding the Fourth Proportional to 51,276.29, 76,739.45 and 42,965.69

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Solution

The fourth proportional to 51,276.29, 76,739.45 and 42,965.69 is: 64,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,276.29 : 76,739.45 = 42,965.69 : x
  2. Step 2: Convert to fraction form
    51,276.29/76,739.45 = 42,965.69/x
  3. Step 3: Cross multiply
    51,276.29x = 76,739.45 × 42,965.69
  4. Step 4: Simplify right side
    51,276.29x = 3,297,162,820.94
  5. Step 5: Solve for x
    x = 3,297,162,820.94/51,276.29
  6. Step 6: Final answer
    x = 64,301.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.