Home / 51,219.49-70,677.73-28,556.35

Finding the Fourth Proportional to 51,219.49, 70,677.73 and 28,556.35

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Solution

The fourth proportional to 51,219.49, 70,677.73 and 28,556.35 is: 39,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.49 : 70,677.73 = 28,556.35 : x
  2. Step 2: Convert to fraction form
    51,219.49/70,677.73 = 28,556.35/x
  3. Step 3: Cross multiply
    51,219.49x = 70,677.73 × 28,556.35
  4. Step 4: Simplify right side
    51,219.49x = 2,018,297,747.00
  5. Step 5: Solve for x
    x = 2,018,297,747.00/51,219.49
  6. Step 6: Final answer
    x = 39,404.88

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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.