Home / 51,119.35-70,542.98-28,759.03

Finding the Fourth Proportional to 51,119.35, 70,542.98 and 28,759.03

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Solution

The fourth proportional to 51,119.35, 70,542.98 and 28,759.03 is: 39,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,119.35 : 70,542.98 = 28,759.03 : x
  2. Step 2: Convert to fraction form
    51,119.35/70,542.98 = 28,759.03/x
  3. Step 3: Cross multiply
    51,119.35x = 70,542.98 × 28,759.03
  4. Step 4: Simplify right side
    51,119.35x = 2,028,747,534.31
  5. Step 5: Solve for x
    x = 2,028,747,534.31/51,119.35
  6. Step 6: Final answer
    x = 39,686.49

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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.