Home / 51,338.38-70,848.48-28,678.33

Finding the Fourth Proportional to 51,338.38, 70,848.48 and 28,678.33

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Solution

The fourth proportional to 51,338.38, 70,848.48 and 28,678.33 is: 39,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,338.38 : 70,848.48 = 28,678.33 : x
  2. Step 2: Convert to fraction form
    51,338.38/70,848.48 = 28,678.33/x
  3. Step 3: Cross multiply
    51,338.38x = 70,848.48 × 28,678.33
  4. Step 4: Simplify right side
    51,338.38x = 2,031,815,735.20
  5. Step 5: Solve for x
    x = 2,031,815,735.20/51,338.38
  6. Step 6: Final answer
    x = 39,576.94

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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.