Home / 51,338.48-70,844.97-28,677.38

Finding the Fourth Proportional to 51,338.48, 70,844.97 and 28,677.38

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Solution

The fourth proportional to 51,338.48, 70,844.97 and 28,677.38 is: 39,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,338.48 : 70,844.97 = 28,677.38 : x
  2. Step 2: Convert to fraction form
    51,338.48/70,844.97 = 28,677.38/x
  3. Step 3: Cross multiply
    51,338.48x = 70,844.97 × 28,677.38
  4. Step 4: Simplify right side
    51,338.48x = 2,031,648,125.78
  5. Step 5: Solve for x
    x = 2,031,648,125.78/51,338.48
  6. Step 6: Final answer
    x = 39,573.59

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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.