Home / 51,310.42-70,807.69-28,649.79

Finding the Fourth Proportional to 51,310.42, 70,807.69 and 28,649.79

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Solution

The fourth proportional to 51,310.42, 70,807.69 and 28,649.79 is: 39,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.42 : 70,807.69 = 28,649.79 : x
  2. Step 2: Convert to fraction form
    51,310.42/70,807.69 = 28,649.79/x
  3. Step 3: Cross multiply
    51,310.42x = 70,807.69 × 28,649.79
  4. Step 4: Simplify right side
    51,310.42x = 2,028,625,448.89
  5. Step 5: Solve for x
    x = 2,028,625,448.89/51,310.42
  6. Step 6: Final answer
    x = 39,536.33

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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.